CBSE

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

Problem

ddxtan⁡−14x1−4x=\frac{d}{dx}\tan^{-1}\frac{4\sqrt{x}}{1-4x}= (a) 1x(1+4x)\frac{1}{\sqrt{x}(1+4x)} (b) 2x(1+4x)\frac{2}{\sqrt{x}(1+4x)} (c) 4x(1+4x)\frac{4}{\sqrt{x}(1+4x)} (d) None of these

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