CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability

Problem

Find ddx[(3x2+1)sin⁡x]\dfrac{d}{dx}\big[(3x^{2}+1)\sin x\big]. (a) (3x2+1+6x)cos⁡x(3x^{2}+1+6x)\cos x (b) (3x2+1)sin⁡x+6xcos⁡x(3x^{2}+1)\sin x + 6x\cos x (c) (3x2+1)cos⁡x+6xsin⁡x(3x^{2}+1)\cos x + 6x\sin x (d) (3x2+1)cos⁡x−6xsin⁡x(3x^{2}+1)\cos x - 6x\sin x

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