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sqrt(1-2*x)=a-abs(7) la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
  _________          
\/ 1 - 2*x  = a - |7|
$$\sqrt{1 - 2 x} = a - \left|{7}\right|$$
Gráfica
Respuesta rápida [src]
           2                  2                       
     1   im (a)   (-7 + re(a))                        
x1 = - + ------ - ------------- - I*(-7 + re(a))*im(a)
     2     2            2                             
$$x_{1} = - \frac{\left(\operatorname{re}{\left(a\right)} - 7\right)^{2}}{2} - i \left(\operatorname{re}{\left(a\right)} - 7\right) \operatorname{im}{\left(a\right)} + \frac{\left(\operatorname{im}{\left(a\right)}\right)^{2}}{2} + \frac{1}{2}$$
x1 = -(re(a) - 7)^2/2 - i*(re(a) - 7)*im(a) + im(a)^2/2 + 1/2
Suma y producto de raíces [src]
suma
      2                  2                       
1   im (a)   (-7 + re(a))                        
- + ------ - ------------- - I*(-7 + re(a))*im(a)
2     2            2                             
$$- \frac{\left(\operatorname{re}{\left(a\right)} - 7\right)^{2}}{2} - i \left(\operatorname{re}{\left(a\right)} - 7\right) \operatorname{im}{\left(a\right)} + \frac{\left(\operatorname{im}{\left(a\right)}\right)^{2}}{2} + \frac{1}{2}$$
=
      2                  2                       
1   im (a)   (-7 + re(a))                        
- + ------ - ------------- - I*(-7 + re(a))*im(a)
2     2            2                             
$$- \frac{\left(\operatorname{re}{\left(a\right)} - 7\right)^{2}}{2} - i \left(\operatorname{re}{\left(a\right)} - 7\right) \operatorname{im}{\left(a\right)} + \frac{\left(\operatorname{im}{\left(a\right)}\right)^{2}}{2} + \frac{1}{2}$$
producto
      2                  2                       
1   im (a)   (-7 + re(a))                        
- + ------ - ------------- - I*(-7 + re(a))*im(a)
2     2            2                             
$$- \frac{\left(\operatorname{re}{\left(a\right)} - 7\right)^{2}}{2} - i \left(\operatorname{re}{\left(a\right)} - 7\right) \operatorname{im}{\left(a\right)} + \frac{\left(\operatorname{im}{\left(a\right)}\right)^{2}}{2} + \frac{1}{2}$$
=
      2                  2                       
1   im (a)   (-7 + re(a))                        
- + ------ - ------------- - I*(-7 + re(a))*im(a)
2     2            2                             
$$- \frac{\left(\operatorname{re}{\left(a\right)} - 7\right)^{2}}{2} - i \left(\operatorname{re}{\left(a\right)} - 7\right) \operatorname{im}{\left(a\right)} + \frac{\left(\operatorname{im}{\left(a\right)}\right)^{2}}{2} + \frac{1}{2}$$
1/2 + im(a)^2/2 - (-7 + re(a))^2/2 - i*(-7 + re(a))*im(a)