Mark against the correct answer in each of the following:

Question:

Mark $(\sqrt{)}$ against the correct answer in each of the following:

$\int \sin \sqrt{x} d x=?$

A. $-\sqrt{x} \cos \sqrt{x}+C$

B. $-\sqrt{x} \cos \sqrt{x}-2 \sin \sqrt{x}-C$

C. $-2 \sqrt{x} \cos \sqrt{x}+2 \sin \sqrt{x}-C$

D. none of these

Solution:

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