Differentiate the following function with respect of `x :(1+x^2)cosx`

Explanation

`(1+x^{2}) cos x

`

differentiating w.r.t. `x`, we get



`=frac{d}{d x}((1+x^{2}) cos x) `


`=(1+x^{2}) frac{d}{d x} cos x+cos x frac{d}{d x}(1+x^{2})`




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