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x^6=(5*x-6)^3 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
 6            3
x  = (5*x - 6) 
$$x^{6} = \left(5 x - 6\right)^{3}$$
Gráfica
Respuesta rápida [src]
x1 = 2
$$x_{1} = 2$$
x2 = 3
$$x_{2} = 3$$
             /                        /    /     ___\\\               /    /     ___\\
             |            4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /|
             |      ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------|
       5     |  5*\/ 3                \      2       /|               \      2       /
x3 = - - + I*|- ------- + ----------------------------| + ----------------------------
       4     \     4                   2              /                2              
$$x_{3} = - \frac{5}{4} + \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} + i \left(- \frac{5 \sqrt{3}}{4} + \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2}\right)$$
             /                      /    /     ___\\\               /    /     ___\\
             |          4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /|
             |    ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------|
       5     |5*\/ 3                \      2       /|               \      2       /
x4 = - - + I*|------- + ----------------------------| - ----------------------------
       4     \   4                   2              /                2              
$$x_{4} = - \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} - \frac{5}{4} + i \left(\frac{5 \sqrt{3}}{4} + \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2}\right)$$
             /                      /    /     ___\\\               /    /     ___\\
             |          4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /|
             |    ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------|
       5     |5*\/ 3                \      2       /|               \      2       /
x5 = - - + I*|------- - ----------------------------| + ----------------------------
       4     \   4                   2              /                2              
$$x_{5} = - \frac{5}{4} + \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} + i \left(- \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} + \frac{5 \sqrt{3}}{4}\right)$$
             /                        /    /     ___\\\               /    /     ___\\
             |            4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /|
             |      ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------|
       5     |  5*\/ 3                \      2       /|               \      2       /
x6 = - - + I*|- ------- - ----------------------------| - ----------------------------
       4     \     4                   2              /                2              
$$x_{6} = - \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} - \frac{5}{4} + i \left(- \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} - \frac{5 \sqrt{3}}{4}\right)$$
x6 = -1801^(1/4)*sin(atan(49*sqrt(3))/2)/2 - 5/4 + i*(-1801^(1/4)*cos(atan(49*sqrt(3))/2)/2 - 5*sqrt(3)/4)
Suma y producto de raíces [src]
suma
                /                        /    /     ___\\\               /    /     ___\\           /                      /    /     ___\\\               /    /     ___\\           /                      /    /     ___\\\               /    /     ___\\           /                        /    /     ___\\\               /    /     ___\\
                |            4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /|           |          4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /|           |          4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /|           |            4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /|
                |      ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------|           |    ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------|           |    ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------|           |      ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------|
          5     |  5*\/ 3                \      2       /|               \      2       /     5     |5*\/ 3                \      2       /|               \      2       /     5     |5*\/ 3                \      2       /|               \      2       /     5     |  5*\/ 3                \      2       /|               \      2       /
2 + 3 + - - + I*|- ------- + ----------------------------| + ---------------------------- + - - + I*|------- + ----------------------------| - ---------------------------- + - - + I*|------- - ----------------------------| + ---------------------------- + - - + I*|- ------- - ----------------------------| - ----------------------------
          4     \     4                   2              /                2                   4     \   4                   2              /                2                   4     \   4                   2              /                2                   4     \     4                   2              /                2              
$$\left(- \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} - \frac{5}{4} + i \left(- \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} - \frac{5 \sqrt{3}}{4}\right)\right) + \left(\left(- \frac{5}{4} + \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} + i \left(- \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} + \frac{5 \sqrt{3}}{4}\right)\right) + \left(\left(\left(2 + 3\right) + \left(- \frac{5}{4} + \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} + i \left(- \frac{5 \sqrt{3}}{4} + \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2}\right)\right)\right) + \left(- \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} - \frac{5}{4} + i \left(\frac{5 \sqrt{3}}{4} + \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2}\right)\right)\right)\right)$$
=
  /                        /    /     ___\\\     /                        /    /     ___\\\     /                      /    /     ___\\\     /                      /    /     ___\\\
  |            4 ______    |atan\49*\/ 3 /||     |            4 ______    |atan\49*\/ 3 /||     |          4 ______    |atan\49*\/ 3 /||     |          4 ______    |atan\49*\/ 3 /||
  |      ___   \/ 1801 *cos|--------------||     |      ___   \/ 1801 *cos|--------------||     |    ___   \/ 1801 *cos|--------------||     |    ___   \/ 1801 *cos|--------------||
  |  5*\/ 3                \      2       /|     |  5*\/ 3                \      2       /|     |5*\/ 3                \      2       /|     |5*\/ 3                \      2       /|
I*|- ------- + ----------------------------| + I*|- ------- - ----------------------------| + I*|------- + ----------------------------| + I*|------- - ----------------------------|
  \     4                   2              /     \     4                   2              /     \   4                   2              /     \   4                   2              /
$$i \left(- \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} - \frac{5 \sqrt{3}}{4}\right) + i \left(- \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} + \frac{5 \sqrt{3}}{4}\right) + i \left(- \frac{5 \sqrt{3}}{4} + \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2}\right) + i \left(\frac{5 \sqrt{3}}{4} + \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2}\right)$$
producto
    /        /                        /    /     ___\\\               /    /     ___\\\ /        /                      /    /     ___\\\               /    /     ___\\\ /        /                      /    /     ___\\\               /    /     ___\\\ /        /                        /    /     ___\\\               /    /     ___\\\
    |        |            4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /|| |        |          4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /|| |        |          4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /|| |        |            4 ______    |atan\49*\/ 3 /||   4 ______    |atan\49*\/ 3 /||
    |        |      ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------|| |        |    ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------|| |        |    ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------|| |        |      ___   \/ 1801 *cos|--------------||   \/ 1801 *sin|--------------||
    |  5     |  5*\/ 3                \      2       /|               \      2       /| |  5     |5*\/ 3                \      2       /|               \      2       /| |  5     |5*\/ 3                \      2       /|               \      2       /| |  5     |  5*\/ 3                \      2       /|               \      2       /|
2*3*|- - + I*|- ------- + ----------------------------| + ----------------------------|*|- - + I*|------- + ----------------------------| - ----------------------------|*|- - + I*|------- - ----------------------------| + ----------------------------|*|- - + I*|- ------- - ----------------------------| - ----------------------------|
    \  4     \     4                   2              /                2              / \  4     \   4                   2              /                2              / \  4     \   4                   2              /                2              / \  4     \     4                   2              /                2              /
$$2 \cdot 3 \left(- \frac{5}{4} + \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} + i \left(- \frac{5 \sqrt{3}}{4} + \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2}\right)\right) \left(- \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} - \frac{5}{4} + i \left(\frac{5 \sqrt{3}}{4} + \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2}\right)\right) \left(- \frac{5}{4} + \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} + i \left(- \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} + \frac{5 \sqrt{3}}{4}\right)\right) \left(- \frac{\sqrt[4]{1801} \sin{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} - \frac{5}{4} + i \left(- \frac{\sqrt[4]{1801} \cos{\left(\frac{\operatorname{atan}{\left(49 \sqrt{3} \right)}}{2} \right)}}{2} - \frac{5 \sqrt{3}}{4}\right)\right)$$
=
216
$$216$$
216
Respuesta numérica [src]
x1 = -3.53960123023219 - 4.4818012575631*i
x2 = 2.0
x3 = 1.03960123023219 - 0.151674238640906*i
x4 = 3.0
x5 = 1.03960123023219 + 0.151674238640906*i
x6 = -3.53960123023219 + 4.4818012575631*i
x6 = -3.53960123023219 + 4.4818012575631*i