Hey, how would you differentiate y=xsinx I got xcosx but that's wrong.
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Originally Posted by p4pri Hey, how would you differentiate y=xsinx I got xcosx but that's wrong. Hi p4pri, $\displaystyle xsinx$ is a product, hence you need to use the product rule of differentiation. $\displaystyle \frac{d}{dx}xsinx=x\frac{d}{dx}sinx+sinx\frac{d}{d x}x$
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