Answer the following (internal choice): a

MATHEMATICS · Subjective · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability

Problem

Answer the following (internal choice): a. Differentiate 2cos⁡2x2^{\cos^2 x} w.r.t cos⁡2x\cos^2 x . b. If tan⁡−1(x2+y2)=a2\tan^{-1}(x^2 + y^2) = a^2 , then find dydx\frac{dy}{dx} .

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