CBSE

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

Problem

dndxn(e2x+e−2x)=\frac{d^n}{dx^n}(e^{2x}+e^{-2x})= (a) e2x+(−1)ne−2xe^{2x}+(-1)^n e^{-2x} (b) 2n(e2x−e−2x)2^n(e^{2x}-e^{-2x}) (c) 2n[e2x+(−1)ne−2x]2^n[e^{2x}+(-1)^n e^{-2x}] (d) None of these

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