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(x-2)^2+(y+1)^2+z^2=4 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
       2          2    2    
(x - 2)  + (y + 1)  + z  = 4
$$z^{2} + \left(\left(x - 2\right)^{2} + \left(y + 1\right)^{2}\right) = 4$$
Solución detallada
Transportemos el miembro derecho de la ecuación al
miembro izquierdo de la ecuación con el signo negativo.

La ecuación se convierte de
$$z^{2} + \left(\left(x - 2\right)^{2} + \left(y + 1\right)^{2}\right) = 4$$
en
$$\left(z^{2} + \left(\left(x - 2\right)^{2} + \left(y + 1\right)^{2}\right)\right) - 4 = 0$$
Abramos la expresión en la ecuación
$$\left(z^{2} + \left(\left(x - 2\right)^{2} + \left(y + 1\right)^{2}\right)\right) - 4 = 0$$
Obtenemos la ecuación cuadrática
$$x^{2} - 4 x + y^{2} + 2 y + z^{2} + 1 = 0$$
Es la ecuación de la forma
a*x^2 + b*x + c = 0

La ecuación cuadrática puede ser resuelta
con la ayuda del discriminante.
Las raíces de la ecuación cuadrática:
$$x_{1} = \frac{\sqrt{D} - b}{2 a}$$
$$x_{2} = \frac{- \sqrt{D} - b}{2 a}$$
donde D = b^2 - 4*a*c es el discriminante.
Como
$$a = 1$$
$$b = -4$$
$$c = y^{2} + 2 y + z^{2} + 1$$
, entonces
D = b^2 - 4 * a * c = 

(-4)^2 - 4 * (1) * (1 + y^2 + z^2 + 2*y) = 12 - 8*y - 4*y^2 - 4*z^2

La ecuación tiene dos raíces.
x1 = (-b + sqrt(D)) / (2*a)

x2 = (-b - sqrt(D)) / (2*a)

o
$$x_{1} = \frac{\sqrt{- 4 y^{2} - 8 y - 4 z^{2} + 12}}{2} + 2$$
$$x_{2} = 2 - \frac{\sqrt{- 4 y^{2} - 8 y - 4 z^{2} + 12}}{2}$$
Gráfica
Respuesta rápida [src]
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         4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/|     4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/|
x1 = 2 - \/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *cos|------------------------------------------------------------------------------------------------| - I*\/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *sin|------------------------------------------------------------------------------------------------|
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$$x_{1} = - i \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} - \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} + 2$$
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            /                                                                                                2     /     /                                                2        2        2        2             \\        /                                                                                                2     /     /                                                2        2        2        2             \\
         4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/|     4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/|
x2 = 2 + \/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *cos|------------------------------------------------------------------------------------------------| + I*\/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *sin|------------------------------------------------------------------------------------------------|
                                                                                                                   \                                               2                                                /                                                                                                               \                                               2                                                /
$$x_{2} = i \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} + \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} + 2$$
x2 = i*((-2*re(y)*im(y) - 2*re(z)*im(z) - 2*im(y))^2 + (-re(y)^2 - 2*re(y) - re(z)^2 + im(y)^2 + im(z)^2 + 3)^2)^(1/4)*sin(atan2(-2*re(y)*im(y) - 2*re(z)*im(z) - 2*im(y, -re(y)^2 - 2*re(y) - re(z)^2 + im(y)^2 + im(z)^2 + 3)/2) + ((-2*re(y)*im(y) - 2*re(z)*im(z) - 2*im(y))^2 + (-re(y)^2 - 2*re(y) - re(z)^2 + im(y)^2 + im(z)^2 + 3)^2)^(1/4)*cos(atan2(-2*re(y)*im(y) - 2*re(z)*im(z) - 2*im(y), -re(y)^2 - 2*re(y) - re(z)^2 + im(y)^2 + im(z)^2 + 3)/2) + 2)
Suma y producto de raíces [src]
suma
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    4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/|     4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/|       4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/|     4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/|
2 - \/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *cos|------------------------------------------------------------------------------------------------| - I*\/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *sin|------------------------------------------------------------------------------------------------| + 2 + \/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *cos|------------------------------------------------------------------------------------------------| + I*\/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *sin|------------------------------------------------------------------------------------------------|
                                                                                                              \                                               2                                                /                                                                                                               \                                               2                                                /                                                                                                                 \                                               2                                                /                                                                                                               \                                               2                                                /
$$\left(- i \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} - \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} + 2\right) + \left(i \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} + \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} + 2\right)$$
=
4
$$4$$
producto
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|    4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/|     4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/|| |    4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/|     4 /                                            2   /      2        2        2        2             \      |atan2\-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z), 3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/||
|2 - \/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *cos|------------------------------------------------------------------------------------------------| - I*\/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *sin|------------------------------------------------------------------------------------------------||*|2 + \/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *cos|------------------------------------------------------------------------------------------------| + I*\/   (-2*im(y) - 2*im(y)*re(y) - 2*im(z)*re(z))  + \3 + im (y) + im (z) - re (y) - re (z) - 2*re(y)/  *sin|------------------------------------------------------------------------------------------------||
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$$\left(- i \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} - \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} + 2\right) \left(i \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} + \sqrt[4]{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)}\right)^{2} + \left(- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- 2 \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} - 2 \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - 2 \operatorname{im}{\left(y\right)},- \left(\operatorname{re}{\left(y\right)}\right)^{2} - 2 \operatorname{re}{\left(y\right)} - \left(\operatorname{re}{\left(z\right)}\right)^{2} + \left(\operatorname{im}{\left(y\right)}\right)^{2} + \left(\operatorname{im}{\left(z\right)}\right)^{2} + 3 \right)}}{2} \right)} + 2\right)$$
=
      2        2        2        2                                                             
1 + re (y) + re (z) - im (y) - im (z) + 2*re(y) + 2*I*im(y) + 2*I*im(y)*re(y) + 2*I*im(z)*re(z)
$$\left(\operatorname{re}{\left(y\right)}\right)^{2} + 2 i \operatorname{re}{\left(y\right)} \operatorname{im}{\left(y\right)} + 2 \operatorname{re}{\left(y\right)} + \left(\operatorname{re}{\left(z\right)}\right)^{2} + 2 i \operatorname{re}{\left(z\right)} \operatorname{im}{\left(z\right)} - \left(\operatorname{im}{\left(y\right)}\right)^{2} + 2 i \operatorname{im}{\left(y\right)} - \left(\operatorname{im}{\left(z\right)}\right)^{2} + 1$$
1 + re(y)^2 + re(z)^2 - im(y)^2 - im(z)^2 + 2*re(y) + 2*i*im(y) + 2*i*im(y)*re(y) + 2*i*im(z)*re(z)