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x^6=(6*x-8)^3

x^6=(6*x-8)^3 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
 6            3
x  = (6*x - 8) 
$$x^{6} = \left(6 x - 8\right)^{3}$$
Gráfica
Suma y producto de raíces [src]
suma
                /      ___              /    /     ___\\\              /    /     ___\\           /    ___              /    /     ___\\\              /    /     ___\\           /    ___              /    /     ___\\\              /    /     ___\\           /      ___              /    /     ___\\\              /    /     ___\\
          3     |  3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /|     3     |3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /|     3     |3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /|     3     |  3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /|
2 + 4 + - - + I*|- ------- + \/ 217 *cos|--------------|| + \/ 217 *sin|--------------| + - - + I*|------- + \/ 217 *cos|--------------|| - \/ 217 *sin|--------------| + - - + I*|------- - \/ 217 *cos|--------------|| + \/ 217 *sin|--------------| + - - + I*|- ------- - \/ 217 *cos|--------------|| - \/ 217 *sin|--------------|
          2     \     2                 \      2       //              \      2       /     2     \   2                 \      2       //              \      2       /     2     \   2                 \      2       //              \      2       /     2     \     2                 \      2       //              \      2       /
$$\left(- \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} - \frac{3}{2} + i \left(- \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} - \frac{3 \sqrt{3}}{2}\right)\right) + \left(\left(- \frac{3}{2} + \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} + i \left(- \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} + \frac{3 \sqrt{3}}{2}\right)\right) + \left(\left(\left(2 + 4\right) + \left(- \frac{3}{2} + \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} + i \left(- \frac{3 \sqrt{3}}{2} + \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)}\right)\right)\right) + \left(- \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} - \frac{3}{2} + i \left(\frac{3 \sqrt{3}}{2} + \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)}\right)\right)\right)\right)$$
=
  /      ___              /    /     ___\\\     /      ___              /    /     ___\\\     /    ___              /    /     ___\\\     /    ___              /    /     ___\\\
  |  3*\/ 3    4 _____    |atan\17*\/ 3 /||     |  3*\/ 3    4 _____    |atan\17*\/ 3 /||     |3*\/ 3    4 _____    |atan\17*\/ 3 /||     |3*\/ 3    4 _____    |atan\17*\/ 3 /||
I*|- ------- + \/ 217 *cos|--------------|| + I*|- ------- - \/ 217 *cos|--------------|| + I*|------- + \/ 217 *cos|--------------|| + I*|------- - \/ 217 *cos|--------------||
  \     2                 \      2       //     \     2                 \      2       //     \   2                 \      2       //     \   2                 \      2       //
$$i \left(- \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} - \frac{3 \sqrt{3}}{2}\right) + i \left(- \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} + \frac{3 \sqrt{3}}{2}\right) + i \left(- \frac{3 \sqrt{3}}{2} + \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)}\right) + i \left(\frac{3 \sqrt{3}}{2} + \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)}\right)$$
producto
    /        /      ___              /    /     ___\\\              /    /     ___\\\ /        /    ___              /    /     ___\\\              /    /     ___\\\ /        /    ___              /    /     ___\\\              /    /     ___\\\ /        /      ___              /    /     ___\\\              /    /     ___\\\
    |  3     |  3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /|| |  3     |3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /|| |  3     |3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /|| |  3     |  3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /||
2*4*|- - + I*|- ------- + \/ 217 *cos|--------------|| + \/ 217 *sin|--------------||*|- - + I*|------- + \/ 217 *cos|--------------|| - \/ 217 *sin|--------------||*|- - + I*|------- - \/ 217 *cos|--------------|| + \/ 217 *sin|--------------||*|- - + I*|- ------- - \/ 217 *cos|--------------|| - \/ 217 *sin|--------------||
    \  2     \     2                 \      2       //              \      2       // \  2     \   2                 \      2       //              \      2       // \  2     \   2                 \      2       //              \      2       // \  2     \     2                 \      2       //              \      2       //
$$2 \cdot 4 \left(- \frac{3}{2} + \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} + i \left(- \frac{3 \sqrt{3}}{2} + \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)}\right)\right) \left(- \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} - \frac{3}{2} + i \left(\frac{3 \sqrt{3}}{2} + \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)}\right)\right) \left(- \frac{3}{2} + \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} + i \left(- \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} + \frac{3 \sqrt{3}}{2}\right)\right) \left(- \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} - \frac{3}{2} + i \left(- \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} - \frac{3 \sqrt{3}}{2}\right)\right)$$
=
512
$$512$$
512
Respuesta rápida [src]
x1 = 2
$$x_{1} = 2$$
x2 = 4
$$x_{2} = 4$$
             /      ___              /    /     ___\\\              /    /     ___\\
       3     |  3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /|
x3 = - - + I*|- ------- + \/ 217 *cos|--------------|| + \/ 217 *sin|--------------|
       2     \     2                 \      2       //              \      2       /
$$x_{3} = - \frac{3}{2} + \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} + i \left(- \frac{3 \sqrt{3}}{2} + \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)}\right)$$
             /    ___              /    /     ___\\\              /    /     ___\\
       3     |3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /|
x4 = - - + I*|------- + \/ 217 *cos|--------------|| - \/ 217 *sin|--------------|
       2     \   2                 \      2       //              \      2       /
$$x_{4} = - \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} - \frac{3}{2} + i \left(\frac{3 \sqrt{3}}{2} + \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)}\right)$$
             /    ___              /    /     ___\\\              /    /     ___\\
       3     |3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /|
x5 = - - + I*|------- - \/ 217 *cos|--------------|| + \/ 217 *sin|--------------|
       2     \   2                 \      2       //              \      2       /
$$x_{5} = - \frac{3}{2} + \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} + i \left(- \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} + \frac{3 \sqrt{3}}{2}\right)$$
             /      ___              /    /     ___\\\              /    /     ___\\
       3     |  3*\/ 3    4 _____    |atan\17*\/ 3 /||   4 _____    |atan\17*\/ 3 /|
x6 = - - + I*|- ------- - \/ 217 *cos|--------------|| - \/ 217 *sin|--------------|
       2     \     2                 \      2       //              \      2       /
$$x_{6} = - \sqrt[4]{217} \sin{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} - \frac{3}{2} + i \left(- \sqrt[4]{217} \cos{\left(\frac{\operatorname{atan}{\left(17 \sqrt{3} \right)}}{2} \right)} - \frac{3 \sqrt{3}}{2}\right)$$
x6 = -217^(1/4)*sin(atan(17*sqrt(3))/2) - 3/2 + i*(-217^(1/4)*cos(atan(17*sqrt(3))/2) - 3*sqrt(3)/2)
Respuesta numérica [src]
x1 = 2.0
x2 = 1.16748194582983 + 0.161536067813473*i
x3 = 1.16748194582983 - 0.161536067813473*i
x4 = 4.0
x5 = -4.16748194582983 + 5.3576884905201*i
x6 = -4.16748194582983 - 5.3576884905201*i
x6 = -4.16748194582983 - 5.3576884905201*i
Gráfico
x^6=(6*x-8)^3 la ecuación