August 2018 0 12 Report
Quien puede resolver este sistema de ecuasion
{X^Y = Y^X
{X^3 = Y^2
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por Pepenacho

Respuestas

pepenacho
CarlosMath
¡La mejor respuesta!
(x^y)^3=(y^x)^3\\ \\
(x^3)^y=(y^x)^3\\ \\
(y^2)^y=(y^x)^3\\ \\
y^{2y}=y^{3x}\\ \\
2y=3x\\ \\
(2y)^2=(3x)^2\\ \\
4y^2=9x^2\\ \\
4x^3=9x^2\\ \\
4x=9\\ \\
\large\boxed{x=\frac{9}{4}\wedge y=\frac{27}{8}}

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