`f(x) = xsin(x)` Find the second derivative of the function.

Expert Answers
hkj1385 eNotes educator| Certified Educator

`f(x) = xsin(x)`

`f'(x) = xcos(x) + sin(x)`

`f''(x) = -xsin(x) + cos(x) + cos(x)`

`or, f''(x) = 2cos(x) - xsin(x)`

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