differentiation

Question: $\frac{d}{{dx}}({x^2}{e^x}\sin x) = $



1) $x\,{e^x}(2\sin x + x\sin x + x\cos x)$
2) $x\,{e^x}(2\sin x + x\sin x - \cos x)$
3) $x\,{e^x}(2\sin x + x\sin x + \cos x)$
4) None of these
Solution: Explanation: Explanation
standard-differentiation

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