Sr Examen

Otras calculadoras

lg^2x+lgx^2=log2-1 la ecuación

El profesor se sorprenderá mucho al ver tu solución correcta😉

v

Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
   2         2                
log (x) + log (x) = log(2) - 1
$$\log{\left(x \right)}^{2} + \log{\left(x \right)}^{2} = -1 + \log{\left(2 \right)}$$
Gráfica
Respuesta rápida [src]
            /  ___   ____________\      /  ___   ____________\
            |\/ 2 *\/ 1 - log(2) |      |\/ 2 *\/ 1 - log(2) |
x1 = - I*sin|--------------------| + cos|--------------------|
            \         2          /      \         2          /
$$x_{1} = \cos{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)} - i \sin{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)}$$
          /  ___   ____________\      /  ___   ____________\
          |\/ 2 *\/ 1 - log(2) |      |\/ 2 *\/ 1 - log(2) |
x2 = I*sin|--------------------| + cos|--------------------|
          \         2          /      \         2          /
$$x_{2} = \cos{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)} + i \sin{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)}$$
x2 = cos(sqrt(2)*sqrt(1 - log(2))/2) + i*sin(sqrt(2)*sqrt(1 - log(2))/2)
Suma y producto de raíces [src]
suma
       /  ___   ____________\      /  ___   ____________\        /  ___   ____________\      /  ___   ____________\
       |\/ 2 *\/ 1 - log(2) |      |\/ 2 *\/ 1 - log(2) |        |\/ 2 *\/ 1 - log(2) |      |\/ 2 *\/ 1 - log(2) |
- I*sin|--------------------| + cos|--------------------| + I*sin|--------------------| + cos|--------------------|
       \         2          /      \         2          /        \         2          /      \         2          /
$$\left(\cos{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)} - i \sin{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)}\right) + \left(\cos{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)} + i \sin{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)}\right)$$
=
     /  ___   ____________\
     |\/ 2 *\/ 1 - log(2) |
2*cos|--------------------|
     \         2          /
$$2 \cos{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)}$$
producto
/       /  ___   ____________\      /  ___   ____________\\ /     /  ___   ____________\      /  ___   ____________\\
|       |\/ 2 *\/ 1 - log(2) |      |\/ 2 *\/ 1 - log(2) || |     |\/ 2 *\/ 1 - log(2) |      |\/ 2 *\/ 1 - log(2) ||
|- I*sin|--------------------| + cos|--------------------||*|I*sin|--------------------| + cos|--------------------||
\       \         2          /      \         2          // \     \         2          /      \         2          //
$$\left(\cos{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)} - i \sin{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)}\right) \left(\cos{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)} + i \sin{\left(\frac{\sqrt{2} \sqrt{1 - \log{\left(2 \right)}}}{2} \right)}\right)$$
=
1
$$1$$
1
Respuesta numérica [src]
x1 = 0.924262612040058 - 0.381757284128133*i
x2 = 0.924262612040058 + 0.381757284128133*i
x2 = 0.924262612040058 + 0.381757284128133*i