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27^1/(1-x)=1/81 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
    1         
  -----       
  1 - x       
27      = 1/81
$$27^{\frac{1}{1 - x}} = \frac{1}{81}$$
Suma y producto de raíces [src]
suma
        2         2                              2         2                       
7   2*pi  + 14*log (3)     3*pi*I*log(3)     2*pi  + 14*log (3)     3*pi*I*log(3)  
- + ------------------ - ----------------- + ------------------ + -----------------
4       2        2           2        2          2        2           2        2   
    2*pi  + 2*log (9)    2*pi  + 2*log (9)   2*pi  + 2*log (9)    2*pi  + 2*log (9)
$$\left(\frac{7}{4} + \left(\frac{14 \log{\left(3 \right)}^{2} + 2 \pi^{2}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}} - \frac{3 i \pi \log{\left(3 \right)}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}}\right)\right) + \left(\frac{14 \log{\left(3 \right)}^{2} + 2 \pi^{2}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}} + \frac{3 i \pi \log{\left(3 \right)}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}}\right)$$
=
      /    2         2   \
7   2*\2*pi  + 14*log (3)/
- + ----------------------
4         2        2      
      2*pi  + 2*log (9)   
$$\frac{7}{4} + \frac{2 \left(14 \log{\left(3 \right)}^{2} + 2 \pi^{2}\right)}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}}$$
producto
  /    2         2                       \                                         
  |2*pi  + 14*log (3)     3*pi*I*log(3)  |                                         
7*|------------------ - -----------------|                                         
  |    2        2           2        2   | /    2         2                       \
  \2*pi  + 2*log (9)    2*pi  + 2*log (9)/ |2*pi  + 14*log (3)     3*pi*I*log(3)  |
------------------------------------------*|------------------ + -----------------|
                    4                      |    2        2           2        2   |
                                           \2*pi  + 2*log (9)    2*pi  + 2*log (9)/
$$\frac{7 \left(\frac{14 \log{\left(3 \right)}^{2} + 2 \pi^{2}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}} - \frac{3 i \pi \log{\left(3 \right)}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}}\right)}{4} \left(\frac{14 \log{\left(3 \right)}^{2} + 2 \pi^{2}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}} + \frac{3 i \pi \log{\left(3 \right)}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}}\right)$$
=
  /    2         2   \
7*\4*pi  + 49*log (3)/
----------------------
    /  2        2   \ 
 16*\pi  + 4*log (3)/ 
$$\frac{7 \left(4 \pi^{2} + 49 \log{\left(3 \right)}^{2}\right)}{16 \left(4 \log{\left(3 \right)}^{2} + \pi^{2}\right)}$$
7*(4*pi^2 + 49*log(3)^2)/(16*(pi^2 + 4*log(3)^2))
Respuesta rápida [src]
x1 = 7/4
$$x_{1} = \frac{7}{4}$$
         2         2                       
     2*pi  + 14*log (3)     3*pi*I*log(3)  
x2 = ------------------ - -----------------
         2        2           2        2   
     2*pi  + 2*log (9)    2*pi  + 2*log (9)
$$x_{2} = \frac{14 \log{\left(3 \right)}^{2} + 2 \pi^{2}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}} - \frac{3 i \pi \log{\left(3 \right)}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}}$$
         2         2                       
     2*pi  + 14*log (3)     3*pi*I*log(3)  
x3 = ------------------ + -----------------
         2        2           2        2   
     2*pi  + 2*log (9)    2*pi  + 2*log (9)
$$x_{3} = \frac{14 \log{\left(3 \right)}^{2} + 2 \pi^{2}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}} + \frac{3 i \pi \log{\left(3 \right)}}{2 \log{\left(9 \right)}^{2} + 2 \pi^{2}}$$
x3 = (14*log(3)^2 + 2*pi^2)/(2*log(9)^2 + 2*pi^2) + 3*i*pi*log(3)/(2*log(9)^2 + 2*pi^2)
Respuesta numérica [src]
x1 = 1.75
x2 = 1.24635968417831 - 0.352245183281895*i
x3 = 1.24635968417831 + 0.352245183281895*i
x3 = 1.24635968417831 + 0.352245183281895*i