Answer
$5\ln \left( e^x+2\right) +c$
Work Step by Step
$v=e^{x}+2\Rightarrow dv=e^{x}dx$
$$\Rightarrow \int \dfrac {5e^x}{e^x+2}dx=\int 5\dfrac {dv}{v}=5\ln v+c=5\ln \left( e^x+2\right) +c$$
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