CBSE

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

Problem

Calculate ddx[x2(2x+1)3]\dfrac{d}{dx}\bigl[x^{2}(2x+1)^{3}\bigr]. (a) 2x(2x+1)3+3x2(2x+1)22x(2x+1)^{3} + 3x^{2}(2x+1)^{2} (b) 12x(2x+1)212x(2x+1)^{2} (c) 2x(2x+1)3+6x2(2x+1)22x(2x+1)^{3} + 6x^{2}(2x+1)^{2} (d) 2(2x+1)3+6x2(2x+1)22(2x+1)^{3} + 6x^{2}(2x+1)^{2}

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