Question
Differentiate the following functions w.r.t.x. : $7^x$

Answer

Let $y=7^x$
Differentiating w.r.t. $x$, we get
$
\frac{\mathrm{d} y}{\mathrm{~d} x}=\frac{\mathrm{d}}{\mathrm{d} x} 7^x=7^x \log 7
$

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