JEE MATHEMATICS MCQ: DIFFERENTIATION

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Application +4 | -1

y \sqrt{x^{2}+1}=\log \left(\sqrt{x^{2}+1}-x\right)

, then

\left(x^{2}+1\right) \frac{d y}{d x}+x y+1

is equal to

View answer and explanation

Correct option: A

Option A (0) is correct because after differentiating the given equation and simplifying, the expression evaluates to 0.

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