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2015-11-21T12:56:41+05:30

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Suppose we want to differentiate ƒ(x) = x2sin(x). By using the product rule, one gets the derivative ƒ '(x) = 2x sin(x) + x2cos(x) (since the derivative of x2 is 2x and the derivative of sin(x) is cos(x)).
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