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x^3-y^2=8 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
 3    2    
x  - y  = 8
$$x^{3} - y^{2} = 8$$
Teorema de Cardano-Vieta
es ecuación cúbica reducida
$$p x^{2} + q x + v + x^{3} = 0$$
donde
$$p = \frac{b}{a}$$
$$p = 0$$
$$q = \frac{c}{a}$$
$$q = 0$$
$$v = \frac{d}{a}$$
$$v = - y^{2} - 8$$
Fórmulas de Cardano-Vieta
$$x_{1} + x_{2} + x_{3} = - p$$
$$x_{1} x_{2} + x_{1} x_{3} + x_{2} x_{3} = q$$
$$x_{1} x_{2} x_{3} = v$$
$$x_{1} + x_{2} + x_{3} = 0$$
$$x_{1} x_{2} + x_{1} x_{3} + x_{2} x_{3} = 0$$
$$x_{1} x_{2} x_{3} = - y^{2} - 8$$
Gráfica
Respuesta rápida [src]
         __________________________________________                                                        __________________________________________                                               
        /                      2                       /     /                     2        2   \\        /                      2                       /     /                     2        2   \\
     6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|
x1 = \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------| + I*\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|
                                                       \                    3                    /                                                       \                    3                    /
$$x_{1} = i \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)} + \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}$$
       /      __________________________________________                                                            __________________________________________                                               \       __________________________________________                                                            __________________________________________                                               
       |     /                      2                       /     /                     2        2   \\            /                      2                       /     /                     2        2   \\|      /                      2                       /     /                     2        2   \\            /                      2                       /     /                     2        2   \\
       |  6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/||   6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|
       |  \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------||   \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|
       |                                                    \                    3                    /                                                           \                    3                    /|                                                     \                    3                    /                                                           \                    3                    /
x2 = I*|- --------------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------| - --------------------------------------------------------------------------------------------- + ---------------------------------------------------------------------------------------------------
       \                                                2                                                                                                  2                                                 /                                                 2                                                                                                  2                                                 
$$x_{2} = i \left(- \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} - \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right) + \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} - \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}$$
       /      __________________________________________                                                            __________________________________________                                               \       __________________________________________                                                            __________________________________________                                               
       |     /                      2                       /     /                     2        2   \\            /                      2                       /     /                     2        2   \\|      /                      2                       /     /                     2        2   \\            /                      2                       /     /                     2        2   \\
       |  6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/||   6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|
       |  \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------||   \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|
       |                                                    \                    3                    /                                                           \                    3                    /|                                                     \                    3                    /                                                           \                    3                    /
x3 = I*|- --------------------------------------------------------------------------------------------- + ---------------------------------------------------------------------------------------------------| - --------------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------
       \                                                2                                                                                                  2                                                 /                                                 2                                                                                                  2                                                 
$$x_{3} = i \left(- \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} + \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right) - \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} - \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}$$
x3 = i*(-((re(y)^2 - im(y)^2 + 8)^2 + 4*re(y)^2*im(y)^2)^(1/6)*sin(atan2(2*re(y)*im(y, re(y)^2 - im(y)^2 + 8)/3)/2 + sqrt(3)*((re(y)^2 - im(y)^2 + 8)^2 + 4*re(y)^2*im(y)^2)^(1/6)*cos(atan2(2*re(y)*im(y), re(y)^2 - im(y)^2 + 8)/3)/2) - sqrt(3)*((re(y)^2 - im(y)^2 + 8)^2 + 4*re(y)^2*im(y)^2)^(1/6)*sin(atan2(2*re(y)*im(y), re(y)^2 - im(y)^2 + 8)/3)/2 - ((re(y)^2 - im(y)^2 + 8)^2 + 4*re(y)^2*im(y)^2)^(1/6)*cos(atan2(2*re(y)*im(y), re(y)^2 - im(y)^2 + 8)/3)/2)
Suma y producto de raíces [src]
suma
                                                                                                                                                                                                    /      __________________________________________                                                            __________________________________________                                               \       __________________________________________                                                            __________________________________________                                                    /      __________________________________________                                                            __________________________________________                                               \       __________________________________________                                                            __________________________________________                                               
                                                                                                                                                                                                    |     /                      2                       /     /                     2        2   \\            /                      2                       /     /                     2        2   \\|      /                      2                       /     /                     2        2   \\            /                      2                       /     /                     2        2   \\     |     /                      2                       /     /                     2        2   \\            /                      2                       /     /                     2        2   \\|      /                      2                       /     /                     2        2   \\            /                      2                       /     /                     2        2   \\
    __________________________________________                                                        __________________________________________                                                    |  6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/||   6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     |  6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/||   6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|
   /                      2                       /     /                     2        2   \\        /                      2                       /     /                     2        2   \\     |  \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------||   \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|     |  \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------||   \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|
6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     |                                                    \                    3                    /                                                           \                    3                    /|                                                     \                    3                    /                                                           \                    3                    /     |                                                    \                    3                    /                                                           \                    3                    /|                                                     \                    3                    /                                                           \                    3                    /
\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------| + I*\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------| + I*|- --------------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------| - --------------------------------------------------------------------------------------------- + --------------------------------------------------------------------------------------------------- + I*|- --------------------------------------------------------------------------------------------- + ---------------------------------------------------------------------------------------------------| - --------------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------
                                                  \                    3                    /                                                       \                    3                    /     \                                                2                                                                                                  2                                                 /                                                 2                                                                                                  2                                                      \                                                2                                                                                                  2                                                 /                                                 2                                                                                                  2                                                 
$$\left(\left(i \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)} + \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}\right) + \left(i \left(- \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} - \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right) + \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} - \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right)\right) + \left(i \left(- \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} + \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right) - \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} - \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right)$$
=
  /      __________________________________________                                                            __________________________________________                                               \     /      __________________________________________                                                            __________________________________________                                               \                                                                                                  
  |     /                      2                       /     /                     2        2   \\            /                      2                       /     /                     2        2   \\|     |     /                      2                       /     /                     2        2   \\            /                      2                       /     /                     2        2   \\|                                                                                                  
  |  6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/||     |  6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/||         __________________________________________                                               
  |  \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------||     |  \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------||        /                      2                       /     /                     2        2   \\
  |                                                    \                    3                    /                                                           \                    3                    /|     |                                                    \                    3                    /                                                           \                    3                    /|     6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|
I*|- --------------------------------------------------------------------------------------------- + ---------------------------------------------------------------------------------------------------| + I*|- --------------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------| + I*\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|
  \                                                2                                                                                                  2                                                 /     \                                                2                                                                                                  2                                                 /                                                       \                    3                    /
$$i \left(- \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} - \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right) + i \left(- \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} + \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right) + i \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}$$
producto
                                                                                                                                                                                                  /  /      __________________________________________                                                            __________________________________________                                               \       __________________________________________                                                            __________________________________________                                               \ /  /      __________________________________________                                                            __________________________________________                                               \       __________________________________________                                                            __________________________________________                                               \
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/    __________________________________________                                                        __________________________________________                                               \ |  |  6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/||   6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|| |  |  6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/||   6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     ___ 6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/||
|   /                      2                       /     /                     2        2   \\        /                      2                       /     /                     2        2   \\| |  |  \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------||   \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|| |  |  \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------||   \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------|   \/ 3 *\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------||
|6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|     6 /  /      2        2   \        2      2        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|| |  |                                                    \                    3                    /                                                           \                    3                    /|                                                     \                    3                    /                                                           \                    3                    /| |  |                                                    \                    3                    /                                                           \                    3                    /|                                                     \                    3                    /                                                           \                    3                    /|
|\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *cos|-----------------------------------------| + I*\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) *sin|-----------------------------------------||*|I*|- --------------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------| - --------------------------------------------------------------------------------------------- + ---------------------------------------------------------------------------------------------------|*|I*|- --------------------------------------------------------------------------------------------- + ---------------------------------------------------------------------------------------------------| - --------------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------------------|
\                                                  \                    3                    /                                                       \                    3                    // \  \                                                2                                                                                                  2                                                 /                                                 2                                                                                                  2                                                 / \  \                                                2                                                                                                  2                                                 /                                                 2                                                                                                  2                                                 /
$$\left(i \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)} + \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}\right) \left(i \left(- \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} - \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right) + \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} - \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right) \left(i \left(- \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} + \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right) - \frac{\sqrt{3} \sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2} - \frac{\sqrt[6]{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{2}\right)$$
=
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                                                                    |                                                                                                                                                                                                                                                                 |                2*im(y)*re(y)                       |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/||                                                   |
                                                                    |                                                                                                                                                                                                                                                             3*I*|---------------------------------------------- + sin|-----------------------------------------||                                                   |
                                                                    |                                                                                                        /     /                     2        2   \\                                                                                                              |    __________________________________________      \                    3                    /|                                                   |
                                                                    |                                                                                                        |atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|                                                                                                              |   /                      2                                                                    |                                                   |
   ________________________________________________________________ |    /     /                     2        2   \\                                                    3*cos|-----------------------------------------|         /     /                     2        2   \\                           2                              |  /  /      2        2   \        2      2                                                     |                           2                       |
  /        4        4           2           2          2      2     |   3|atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|                         6                               \                    3                    /        3|atan2\2*im(y)*re(y), 8 + re (y) - im (y)/|                       3*im (y)                           \\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y)                                                  /                       3*re (y)                    |
\/  64 + im (y) + re (y) - 16*im (y) + 16*re (y) + 2*im (y)*re (y) *|cos |-----------------------------------------| + ---------------------------------------------- - ------------------------------------------------ - I*sin |-----------------------------------------| - ------------------------------------------------ + ----------------------------------------------------------------------------------------------------- + ------------------------------------------------|
                                                                    |    \                    3                    /       __________________________________________                          4                                 \                    3                    /         __________________________________________                                                     4                                                           __________________________________________|
                                                                    |                                                     /                      2                                                                                                                                  /                      2                                                                                                                                   /                      2                   |
                                                                    |                                                    /  /      2        2   \        2      2                                                                                                                  /  /      2        2   \        2      2                                                                                                                   /  /      2        2   \        2      2    |
                                                                    \                                                  \/   \8 + re (y) - im (y)/  + 4*im (y)*re (y)                                                                                                           4*\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y)                                                                                                            4*\/   \8 + re (y) - im (y)/  + 4*im (y)*re (y) /
$$\sqrt{\left(\operatorname{re}{\left(y\right)}\right)^{4} + 2 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2} + 16 \left(\operatorname{re}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{4} - 16 \left(\operatorname{im}{\left(y\right)}\right)^{2} + 64} \left(\frac{3 i \left(\sin{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)} + \frac{2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)}}{\sqrt{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}}}\right)}{4} - i \sin^{3}{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)} + \cos^{3}{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)} - \frac{3 \cos{\left(\frac{\operatorname{atan_{2}}{\left(2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)},\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8 \right)}}{3} \right)}}{4} + \frac{3 \left(\operatorname{re}{\left(y\right)}\right)^{2}}{4 \sqrt{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}}} - \frac{3 \left(\operatorname{im}{\left(y\right)}\right)^{2}}{4 \sqrt{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}}} + \frac{6}{\sqrt{\left(\left(\operatorname{re}{\left(y\right)}\right)^{2} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 8\right)^{2} + 4 \left(\operatorname{re}{\left(y\right)}\right)^{2} \left(\operatorname{im}{\left(y\right)}\right)^{2}}}\right)$$
sqrt(64 + im(y)^4 + re(y)^4 - 16*im(y)^2 + 16*re(y)^2 + 2*im(y)^2*re(y)^2)*(cos(atan2(2*im(y)*re(y), 8 + re(y)^2 - im(y)^2)/3)^3 + 6/sqrt((8 + re(y)^2 - im(y)^2)^2 + 4*im(y)^2*re(y)^2) - 3*cos(atan2(2*im(y)*re(y), 8 + re(y)^2 - im(y)^2)/3)/4 - i*sin(atan2(2*im(y)*re(y), 8 + re(y)^2 - im(y)^2)/3)^3 - 3*im(y)^2/(4*sqrt((8 + re(y)^2 - im(y)^2)^2 + 4*im(y)^2*re(y)^2)) + 3*i*(2*im(y)*re(y)/sqrt((8 + re(y)^2 - im(y)^2)^2 + 4*im(y)^2*re(y)^2) + sin(atan2(2*im(y)*re(y), 8 + re(y)^2 - im(y)^2)/3))/4 + 3*re(y)^2/(4*sqrt((8 + re(y)^2 - im(y)^2)^2 + 4*im(y)^2*re(y)^2)))