_ ^ x x dx = - Vidyadip

MCQ

$\int_{}^{} {\frac{{\cos \sqrt x }}{{\sqrt x }}} dx = $

A
$2\cos \sqrt x + c$
✓
$2\sin \sqrt x + c$
C
$\sin \sqrt x + c$
D
$\frac{1}{2}\cos \sqrt x + c$

✓

Answer

Correct option: B.

$2\sin \sqrt x + c$

b
(b) Put $\sqrt x = t \Rightarrow \frac{1}{{2\sqrt x }}dx = dt$.

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