How to evaluate $e^{2\ln(3)}$ without using a calculator? I've tried playing with $\ln$ but couldn't figure out
$\endgroup$ 12 Answers
$\begingroup$Hint
\begin{align} e^{2 \ln 3} &= e^{\ln (3^{2})} \\ &= \ldots \end{align}
$\endgroup$ $\begingroup$$$e^{2 \ln 3} = (e^{\ln 3})^2 = 3^2 = 9 $$
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