${d \over {dx}}({x^2}{e^x}\sin x) = $
- A$x\,{e^x}(2\sin x + x\sin x + x\cos x)$
- B$x\,{e^x}(2\sin x + x\sin x - \cos x)$
- C$x\,{e^x}(2\sin x + x\sin x + \cos x)$
- DNone of these
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- [AIIMS 2009]