CBSE

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

Problem

If y=sec⁡−1(x+1x−1)+sin⁡−1(x−1x+1)y=\sec^{-1}\left(\frac{\sqrt{x}+1}{\sqrt{x}-1}\right)+\sin^{-1}\left(\frac{\sqrt{x}-1}{\sqrt{x}+1}\right), then dydx=\frac{dy}{dx}= (a) 00 (b) 1x+1\frac{1}{\sqrt{x}+1} (c) 11 (d) None of these

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