If (x)dx=-2 x +c then f(x) is equal to: - Vidyadip

MCQ

If $\int\text{f}(\text{x})\text{dx}=-2\cos\sqrt{\text{x}}+\text{c}$ then $f(x)$ is equal to:

A
$\sin\sqrt{\text{x}}$
✓
$\frac{\sin\sqrt{\text{x}}}{\sqrt{\text{x}}}$
C
$2\cos\sqrt{\text{x}}$
D
None of these

✓

Answer

Correct option: B.

$\frac{\sin\sqrt{\text{x}}}{\sqrt{\text{x}}}$

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