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4*(2/3)^2x-2+2*9-11*2^x=0 la ecuación

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Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
     2                  x    
4*2/3 *x - 2 + 18 - 11*2  = 0
$$- 11 \cdot 2^{x} + \left(\left(4 \left(\frac{2}{3}\right)^{2} x - 2\right) + 18\right) = 0$$
Gráfica
Suma y producto de raíces [src]
suma
   /    /  99 \\               /    /  99 \    \           
   |    | ----||               |    | ----|    |           
   |    | 8192||               |    | 8192|    |           
  W\-log\2    // + log(512)   W\-log\2    /, -1/ + log(512)
- ------------------------- - -----------------------------
            log(2)                        log(2)           
$$- \frac{W\left(- \log{\left(2^{\frac{99}{8192}} \right)}\right) + \log{\left(512 \right)}}{\log{\left(2 \right)}} - \frac{W_{-1}\left(- \log{\left(2^{\frac{99}{8192}} \right)}\right) + \log{\left(512 \right)}}{\log{\left(2 \right)}}$$
=
   /    /  99 \\               /    /  99 \    \           
   |    | ----||               |    | ----|    |           
   |    | 8192||               |    | 8192|    |           
  W\-log\2    // + log(512)   W\-log\2    /, -1/ + log(512)
- ------------------------- - -----------------------------
            log(2)                        log(2)           
$$- \frac{W\left(- \log{\left(2^{\frac{99}{8192}} \right)}\right) + \log{\left(512 \right)}}{\log{\left(2 \right)}} - \frac{W_{-1}\left(- \log{\left(2^{\frac{99}{8192}} \right)}\right) + \log{\left(512 \right)}}{\log{\left(2 \right)}}$$
producto
 / /    /  99 \\           \   / /    /  99 \    \           \ 
 | |    | ----||           |   | |    | ----|    |           | 
 | |    | 8192||           |   | |    | 8192|    |           | 
-\W\-log\2    // + log(512)/  -\W\-log\2    /, -1/ + log(512)/ 
-----------------------------*---------------------------------
            log(2)                          log(2)             
$$- \frac{W\left(- \log{\left(2^{\frac{99}{8192}} \right)}\right) + \log{\left(512 \right)}}{\log{\left(2 \right)}} \left(- \frac{W_{-1}\left(- \log{\left(2^{\frac{99}{8192}} \right)}\right) + \log{\left(512 \right)}}{\log{\left(2 \right)}}\right)$$
=
/ /    /  99 \\           \ / /    /  99 \    \           \
| |    | ----||           | | |    | ----|    |           |
| |    | 8192||           | | |    | 8192|    |           |
\W\-log\2    // + log(512)/*\W\-log\2    /, -1/ + log(512)/
-----------------------------------------------------------
                             2                             
                          log (2)                          
$$\frac{\left(W\left(- \log{\left(2^{\frac{99}{8192}} \right)}\right) + \log{\left(512 \right)}\right) \left(W_{-1}\left(- \log{\left(2^{\frac{99}{8192}} \right)}\right) + \log{\left(512 \right)}\right)}{\log{\left(2 \right)}^{2}}$$
(LambertW(-log(2^(99/8192))) + log(512))*(LambertW(-log(2^(99/8192)), -1) + log(512))/log(2)^2
Respuesta rápida [src]
      / /    /  99 \\           \ 
      | |    | ----||           | 
      | |    | 8192||           | 
     -\W\-log\2    // + log(512)/ 
x1 = -----------------------------
                 log(2)           
$$x_{1} = - \frac{W\left(- \log{\left(2^{\frac{99}{8192}} \right)}\right) + \log{\left(512 \right)}}{\log{\left(2 \right)}}$$
      / /    /  99 \    \           \ 
      | |    | ----|    |           | 
      | |    | 8192|    |           | 
     -\W\-log\2    /, -1/ + log(512)/ 
x2 = ---------------------------------
                   log(2)             
$$x_{2} = - \frac{W_{-1}\left(- \log{\left(2^{\frac{99}{8192}} \right)}\right) + \log{\left(512 \right)}}{\log{\left(2 \right)}}$$
x2 = -(LambertW(-log(2^(99/8192), -1) + log(512))/log(2))
Respuesta numérica [src]
x1 = 0.639619594905518
x2 = 0.63961959490551
x3 = -8.98781251626417
x3 = -8.98781251626417