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(5*x^4+3*x^2-1)/(1*x^4-18*x-2)=1/2 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
   4      2          
5*x  + 3*x  - 1      
--------------- = 1/2
  4                  
 x  - 18*x - 2       
$$\frac{\left(5 x^{4} + 3 x^{2}\right) - 1}{\left(x^{4} - 18 x\right) - 2} = \frac{1}{2}$$
Gráfica
Respuesta rápida [src]
x1 = 0
$$x_{1} = 0$$
                                ______________     /                               ______________\
                             3 /        _____      |         ___            ___ 3 /        _____ |
                1            \/  27 + \/ 737       |       \/ 3           \/ 3 *\/  27 + \/ 737  |
x2 = - ------------------- + ----------------- + I*|------------------- + -----------------------|
            ______________           6             |     ______________              6           |
         3 /        _____                          |  3 /        _____                           |
       3*\/  27 + \/ 737                           \3*\/  27 + \/ 737                            /
$$x_{2} = - \frac{1}{3 \sqrt[3]{27 + \sqrt{737}}} + \frac{\sqrt[3]{27 + \sqrt{737}}}{6} + i \left(\frac{\sqrt{3}}{3 \sqrt[3]{27 + \sqrt{737}}} + \frac{\sqrt{3} \sqrt[3]{27 + \sqrt{737}}}{6}\right)$$
                                ______________     /                                 ______________\
                             3 /        _____      |           ___            ___ 3 /        _____ |
                1            \/  27 + \/ 737       |         \/ 3           \/ 3 *\/  27 + \/ 737  |
x3 = - ------------------- + ----------------- + I*|- ------------------- - -----------------------|
            ______________           6             |       ______________              6           |
         3 /        _____                          |    3 /        _____                           |
       3*\/  27 + \/ 737                           \  3*\/  27 + \/ 737                            /
$$x_{3} = - \frac{1}{3 \sqrt[3]{27 + \sqrt{737}}} + \frac{\sqrt[3]{27 + \sqrt{737}}}{6} + i \left(- \frac{\sqrt{3} \sqrt[3]{27 + \sqrt{737}}}{6} - \frac{\sqrt{3}}{3 \sqrt[3]{27 + \sqrt{737}}}\right)$$
          ______________                      
       3 /        _____                       
       \/  27 + \/ 737              2         
x4 = - ----------------- + -------------------
               3                ______________
                             3 /        _____ 
                           3*\/  27 + \/ 737  
$$x_{4} = - \frac{\sqrt[3]{27 + \sqrt{737}}}{3} + \frac{2}{3 \sqrt[3]{27 + \sqrt{737}}}$$
x4 = -(27 + sqrt(737))^(1/3)/3 + 2/(3*(27 + sqrt(737))^(1/3))
Suma y producto de raíces [src]
suma
                           ______________     /                               ______________\                              ______________     /                                 ______________\        ______________                      
                        3 /        _____      |         ___            ___ 3 /        _____ |                           3 /        _____      |           ___            ___ 3 /        _____ |     3 /        _____                       
           1            \/  27 + \/ 737       |       \/ 3           \/ 3 *\/  27 + \/ 737  |              1            \/  27 + \/ 737       |         \/ 3           \/ 3 *\/  27 + \/ 737  |     \/  27 + \/ 737              2         
- ------------------- + ----------------- + I*|------------------- + -----------------------| + - ------------------- + ----------------- + I*|- ------------------- - -----------------------| + - ----------------- + -------------------
       ______________           6             |     ______________              6           |          ______________           6             |       ______________              6           |             3                ______________
    3 /        _____                          |  3 /        _____                           |       3 /        _____                          |    3 /        _____                           |                           3 /        _____ 
  3*\/  27 + \/ 737                           \3*\/  27 + \/ 737                            /     3*\/  27 + \/ 737                           \  3*\/  27 + \/ 737                            /                         3*\/  27 + \/ 737  
$$\left(- \frac{\sqrt[3]{27 + \sqrt{737}}}{3} + \frac{2}{3 \sqrt[3]{27 + \sqrt{737}}}\right) + \left(\left(- \frac{1}{3 \sqrt[3]{27 + \sqrt{737}}} + \frac{\sqrt[3]{27 + \sqrt{737}}}{6} + i \left(- \frac{\sqrt{3} \sqrt[3]{27 + \sqrt{737}}}{6} - \frac{\sqrt{3}}{3 \sqrt[3]{27 + \sqrt{737}}}\right)\right) + \left(- \frac{1}{3 \sqrt[3]{27 + \sqrt{737}}} + \frac{\sqrt[3]{27 + \sqrt{737}}}{6} + i \left(\frac{\sqrt{3}}{3 \sqrt[3]{27 + \sqrt{737}}} + \frac{\sqrt{3} \sqrt[3]{27 + \sqrt{737}}}{6}\right)\right)\right)$$
=
  /                                 ______________\     /                               ______________\
  |           ___            ___ 3 /        _____ |     |         ___            ___ 3 /        _____ |
  |         \/ 3           \/ 3 *\/  27 + \/ 737  |     |       \/ 3           \/ 3 *\/  27 + \/ 737  |
I*|- ------------------- - -----------------------| + I*|------------------- + -----------------------|
  |       ______________              6           |     |     ______________              6           |
  |    3 /        _____                           |     |  3 /        _____                           |
  \  3*\/  27 + \/ 737                            /     \3*\/  27 + \/ 737                            /
$$i \left(- \frac{\sqrt{3} \sqrt[3]{27 + \sqrt{737}}}{6} - \frac{\sqrt{3}}{3 \sqrt[3]{27 + \sqrt{737}}}\right) + i \left(\frac{\sqrt{3}}{3 \sqrt[3]{27 + \sqrt{737}}} + \frac{\sqrt{3} \sqrt[3]{27 + \sqrt{737}}}{6}\right)$$
producto
  /                           ______________     /                               ______________\\ /                           ______________     /                                 ______________\\ /     ______________                      \
  |                        3 /        _____      |         ___            ___ 3 /        _____ || |                        3 /        _____      |           ___            ___ 3 /        _____ || |  3 /        _____                       |
  |           1            \/  27 + \/ 737       |       \/ 3           \/ 3 *\/  27 + \/ 737  || |           1            \/  27 + \/ 737       |         \/ 3           \/ 3 *\/  27 + \/ 737  || |  \/  27 + \/ 737              2         |
0*|- ------------------- + ----------------- + I*|------------------- + -----------------------||*|- ------------------- + ----------------- + I*|- ------------------- - -----------------------||*|- ----------------- + -------------------|
  |       ______________           6             |     ______________              6           || |       ______________           6             |       ______________              6           || |          3                ______________|
  |    3 /        _____                          |  3 /        _____                           || |    3 /        _____                          |    3 /        _____                           || |                        3 /        _____ |
  \  3*\/  27 + \/ 737                           \3*\/  27 + \/ 737                            // \  3*\/  27 + \/ 737                           \  3*\/  27 + \/ 737                            // \                      3*\/  27 + \/ 737  /
$$0 \left(- \frac{1}{3 \sqrt[3]{27 + \sqrt{737}}} + \frac{\sqrt[3]{27 + \sqrt{737}}}{6} + i \left(\frac{\sqrt{3}}{3 \sqrt[3]{27 + \sqrt{737}}} + \frac{\sqrt{3} \sqrt[3]{27 + \sqrt{737}}}{6}\right)\right) \left(- \frac{1}{3 \sqrt[3]{27 + \sqrt{737}}} + \frac{\sqrt[3]{27 + \sqrt{737}}}{6} + i \left(- \frac{\sqrt{3} \sqrt[3]{27 + \sqrt{737}}}{6} - \frac{\sqrt{3}}{3 \sqrt[3]{27 + \sqrt{737}}}\right)\right) \left(- \frac{\sqrt[3]{27 + \sqrt{737}}}{3} + \frac{2}{3 \sqrt[3]{27 + \sqrt{737}}}\right)$$
=
0
$$0$$
0
Respuesta numérica [src]
x1 = 0
x2 = 0.542425860024386 + 1.24472651917449*i
x3 = 0.542425860024386 - 1.24472651917449*i
x4 = -1.08485172004877
x4 = -1.08485172004877