indefinite-integration

Question: If $\frac{d}{dx}f(x)=x\cos x+\sin x$ and $f(0)=2$, then $f(x)=$

1) $x\sin x$

2) $x\cos x+\sin x+2$

3) $x\sin x+2$

4) $x\cos x+2$

Solution:

Explanation: No Explanation

Integration by parts

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