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let 2^x = 5^2 then x =​

Répondre :

Hello,

[tex]2^x = \exp(x\ln (2)) = 5^2\\\\\Leftrightarrow x\ln(2) = \ln(5^2)\\\\\Leftrightarrow \boxed{x = \frac{2\ln{5}}{\ln{2}}}[/tex]

Bye,

Thomas