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Let y=tan^-1sqrt(x^2-1). Prove that (2x...

Let ` y=tan^-1sqrt(x^2-1)`. Prove that` (2x^2-1)((dy)/(dx))+x(x^2-1)((d^2y)/(dx^2))=0`.

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A DAS GUPTA-Differentiation-Exercise
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