A Level

MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation

Problem

Find ddx[(2x3−5x)cos⁡x]\dfrac{d}{dx}\big[(2x^{3}-5x)\cos x\big]. (a) (6x2−5)sin⁡x−(2x3−5x)cos⁡x(6x^{2}-5)\sin x-(2x^{3}-5x)\cos x (b) (6x2−5)cos⁡x−(2x3−5x)sin⁡x(6x^{2}-5)\cos x-(2x^{3}-5x)\sin x (c) (6x2−5x)cos⁡x−(2x3−5x)sin⁡x(6x^{2}-5x)\cos x-(2x^{3}-5x)\sin x (d) (6x2−5)cos⁡x+(2x3−5x)sin⁡x(6x^{2}-5)\cos x+(2x^{3}-5x)\sin x

Related theory

Browse the problem library