If $y=7 \sqrt{x}+3 e^x$, then $\frac{dy}{dx}$ is:
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) - $\frac{7}{2 \sqrt{x}}+3 e^x$
$y=7 \sqrt{x}+3 e^x$
$⇒\frac{dy}{dx}=7×\frac{1}{2\sqrt{x}}+3e^x$
$=\frac{7}{2 \sqrt{x}}+3 e^x$