Question

find the derivative of x^2cosx​

Answer 1

Step-by-step explanation:

$\frac{d}{dx} ( {x}^{2} cos \: x) \\ \frac{d}{dx} ( {x}^{2} )(cos \: x) + {(x}^{2} ) \frac{d}{dx} (cos \: x) \\ 2x \: cosx + {x}^{2} ( - sin \: x) \\ 2x \: cos \: x - {x}^{2} sin \: x$