Đại số

I

iceghost

$2^{x+1}.3^y = 36 ^x = (2^2.3^2)^x =2^{2x}.3^{2x} \\
\implies \left\{ \begin{array}{l} {}
x+1=2x \\
y = 2x \\
\end{array} \right. \\
\implies \left\{ \begin{array}{l} {}
x=1 \\
y = 2.1 = 2 \\
\end{array} \right.$
 
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