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(x-1)/6+x/a+(3*(x+1))/(2*a^2)=0 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
x - 1   x   3*(x + 1)    
----- + - + --------- = 0
  6     a         2      
               2*a       
$$\left(\frac{x - 1}{6} + \frac{x}{a}\right) + \frac{3 \left(x + 1\right)}{2 a^{2}} = 0$$
Gráfica
Suma y producto de raíces [src]
suma
                                                              2                                     
  /  (3 + re(a))*im(a)       (-3 + re(a))*im(a) \           im (a)          (-3 + re(a))*(3 + re(a))
I*|--------------------- - ---------------------| + --------------------- + ------------------------
  |           2     2                 2     2   |              2     2                  2     2     
  \(3 + re(a))  + im (a)   (3 + re(a))  + im (a)/   (3 + re(a))  + im (a)    (3 + re(a))  + im (a)  
$$i \left(- \frac{\left(\operatorname{re}{\left(a\right)} - 3\right) \operatorname{im}{\left(a\right)}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}} + \frac{\left(\operatorname{re}{\left(a\right)} + 3\right) \operatorname{im}{\left(a\right)}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}}\right) + \frac{\left(\operatorname{re}{\left(a\right)} - 3\right) \left(\operatorname{re}{\left(a\right)} + 3\right)}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}} + \frac{\left(\operatorname{im}{\left(a\right)}\right)^{2}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}}$$
=
                                                              2                                     
  /  (3 + re(a))*im(a)       (-3 + re(a))*im(a) \           im (a)          (-3 + re(a))*(3 + re(a))
I*|--------------------- - ---------------------| + --------------------- + ------------------------
  |           2     2                 2     2   |              2     2                  2     2     
  \(3 + re(a))  + im (a)   (3 + re(a))  + im (a)/   (3 + re(a))  + im (a)    (3 + re(a))  + im (a)  
$$i \left(- \frac{\left(\operatorname{re}{\left(a\right)} - 3\right) \operatorname{im}{\left(a\right)}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}} + \frac{\left(\operatorname{re}{\left(a\right)} + 3\right) \operatorname{im}{\left(a\right)}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}}\right) + \frac{\left(\operatorname{re}{\left(a\right)} - 3\right) \left(\operatorname{re}{\left(a\right)} + 3\right)}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}} + \frac{\left(\operatorname{im}{\left(a\right)}\right)^{2}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}}$$
producto
                                                              2                                     
  /  (3 + re(a))*im(a)       (-3 + re(a))*im(a) \           im (a)          (-3 + re(a))*(3 + re(a))
I*|--------------------- - ---------------------| + --------------------- + ------------------------
  |           2     2                 2     2   |              2     2                  2     2     
  \(3 + re(a))  + im (a)   (3 + re(a))  + im (a)/   (3 + re(a))  + im (a)    (3 + re(a))  + im (a)  
$$i \left(- \frac{\left(\operatorname{re}{\left(a\right)} - 3\right) \operatorname{im}{\left(a\right)}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}} + \frac{\left(\operatorname{re}{\left(a\right)} + 3\right) \operatorname{im}{\left(a\right)}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}}\right) + \frac{\left(\operatorname{re}{\left(a\right)} - 3\right) \left(\operatorname{re}{\left(a\right)} + 3\right)}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}} + \frac{\left(\operatorname{im}{\left(a\right)}\right)^{2}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}}$$
=
  2                                          
im (a) + (-3 + re(a))*(3 + re(a)) + 6*I*im(a)
---------------------------------------------
                       2     2               
            (3 + re(a))  + im (a)            
$$\frac{\left(\operatorname{re}{\left(a\right)} - 3\right) \left(\operatorname{re}{\left(a\right)} + 3\right) + \left(\operatorname{im}{\left(a\right)}\right)^{2} + 6 i \operatorname{im}{\left(a\right)}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}}$$
(im(a)^2 + (-3 + re(a))*(3 + re(a)) + 6*i*im(a))/((3 + re(a))^2 + im(a)^2)
Respuesta rápida [src]
                                                                   2                                     
       /  (3 + re(a))*im(a)       (-3 + re(a))*im(a) \           im (a)          (-3 + re(a))*(3 + re(a))
x1 = I*|--------------------- - ---------------------| + --------------------- + ------------------------
       |           2     2                 2     2   |              2     2                  2     2     
       \(3 + re(a))  + im (a)   (3 + re(a))  + im (a)/   (3 + re(a))  + im (a)    (3 + re(a))  + im (a)  
$$x_{1} = i \left(- \frac{\left(\operatorname{re}{\left(a\right)} - 3\right) \operatorname{im}{\left(a\right)}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}} + \frac{\left(\operatorname{re}{\left(a\right)} + 3\right) \operatorname{im}{\left(a\right)}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}}\right) + \frac{\left(\operatorname{re}{\left(a\right)} - 3\right) \left(\operatorname{re}{\left(a\right)} + 3\right)}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}} + \frac{\left(\operatorname{im}{\left(a\right)}\right)^{2}}{\left(\operatorname{re}{\left(a\right)} + 3\right)^{2} + \left(\operatorname{im}{\left(a\right)}\right)^{2}}$$
x1 = i*(-(re(a) - 3)*im(a)/((re(a) + 3)^2 + im(a)^2) + (re(a) + 3)*im(a)/((re(a) + 3)^2 + im(a)^2)) + (re(a) - 3)*(re(a) + 3)/((re(a) + 3)^2 + im(a)^2) + im(a)^2/((re(a) + 3)^2 + im(a)^2)