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log((9^x)-1,2)+log((9^x)-2,2)=1 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
   / x   6\      / x   11\    
log|9  - -| + log|9  - --| = 1
   \     5/      \     5 /    
$$\log{\left(9^{x} - \frac{11}{5} \right)} + \log{\left(9^{x} - \frac{6}{5} \right)} = 1$$
Gráfica
Suma y producto de raíces [src]
suma
                                        /       _________\         
                                        |17   \/ 1 + 4*E |         
              /         _________\   log|-- + -----------|         
-log(10) + log\17 + 5*\/ 1 + 4*E /      \10        2     /    pi*I 
---------------------------------- + --------------------- + ------
             2*log(3)                       2*log(3)         log(3)
$$\frac{- \log{\left(10 \right)} + \log{\left(17 + 5 \sqrt{1 + 4 e} \right)}}{2 \log{\left(3 \right)}} + \left(\frac{\log{\left(\frac{17}{10} + \frac{\sqrt{1 + 4 e}}{2} \right)}}{2 \log{\left(3 \right)}} + \frac{i \pi}{\log{\left(3 \right)}}\right)$$
=
                                        /       _________\         
                                        |17   \/ 1 + 4*E |         
              /         _________\   log|-- + -----------|         
-log(10) + log\17 + 5*\/ 1 + 4*E /      \10        2     /    pi*I 
---------------------------------- + --------------------- + ------
             2*log(3)                       2*log(3)         log(3)
$$\frac{- \log{\left(10 \right)} + \log{\left(17 + 5 \sqrt{1 + 4 e} \right)}}{2 \log{\left(3 \right)}} + \frac{\log{\left(\frac{17}{10} + \frac{\sqrt{1 + 4 e}}{2} \right)}}{2 \log{\left(3 \right)}} + \frac{i \pi}{\log{\left(3 \right)}}$$
producto
                                   /   /       _________\         \
                                   |   |17   \/ 1 + 4*E |         |
              /         _________\ |log|-- + -----------|         |
-log(10) + log\17 + 5*\/ 1 + 4*E / |   \10        2     /    pi*I |
----------------------------------*|--------------------- + ------|
             2*log(3)              \       2*log(3)         log(3)/
$$\frac{- \log{\left(10 \right)} + \log{\left(17 + 5 \sqrt{1 + 4 e} \right)}}{2 \log{\left(3 \right)}} \left(\frac{\log{\left(\frac{17}{10} + \frac{\sqrt{1 + 4 e}}{2} \right)}}{2 \log{\left(3 \right)}} + \frac{i \pi}{\log{\left(3 \right)}}\right)$$
=
                                     /                        1    \
                                     |                    ---------|
                                     |                         2   |
 /            /       _________\\    |                    4*log (3)|
 |            |17   \/ 1 + 4*E ||    |/        10        \         |
-|2*pi*I + log|-- + -----------||*log||------------------|         |
 \            \10        2     //    ||         _________|         |
                                     \\17 + 5*\/ 1 + 4*E /         /
$$- \left(\log{\left(\frac{17}{10} + \frac{\sqrt{1 + 4 e}}{2} \right)} + 2 i \pi\right) \log{\left(\left(\frac{10}{17 + 5 \sqrt{1 + 4 e}}\right)^{\frac{1}{4 \log{\left(3 \right)}^{2}}} \right)}$$
-(2*pi*i + log(17/10 + sqrt(1 + 4*E)/2))*log((10/(17 + 5*sqrt(1 + 4*E)))^(1/(4*log(3)^2)))
Respuesta rápida [src]
                   /         _________\
     -log(10) + log\17 + 5*\/ 1 + 4*E /
x1 = ----------------------------------
                  2*log(3)             
$$x_{1} = \frac{- \log{\left(10 \right)} + \log{\left(17 + 5 \sqrt{1 + 4 e} \right)}}{2 \log{\left(3 \right)}}$$
        /       _________\         
        |17   \/ 1 + 4*E |         
     log|-- + -----------|         
        \10        2     /    pi*I 
x2 = --------------------- + ------
            2*log(3)         log(3)
$$x_{2} = \frac{\log{\left(\frac{17}{10} + \frac{\sqrt{1 + 4 e}}{2} \right)}}{2 \log{\left(3 \right)}} + \frac{i \pi}{\log{\left(3 \right)}}$$
x2 = log(17/10 + sqrt(1 + 4*E)/2)/(2*log(3)) + i*pi/log(3)
Respuesta numérica [src]
x1 = 0.56001533036311
x2 = 0.56001533036311 + 2.85960086738013*i
x2 = 0.56001533036311 + 2.85960086738013*i