Question
If $f(x)=3^{\pi x},$ then $f^{\prime}(x)=$(A) $\frac{3^{\pi x}}{\ln 3}$(B) $\frac{3^{\pi x}}{\pi}$(C) $\pi\left(3^{\pi x-1}\right)$(D) $\pi \ln 3\left(3^{\pi x}\right)$
Step 1
Here, $a=3$ and $u=\pi x$. Show more…
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