If $\sqrt{x+y}+\sqrt{y-x}=c$ then $\frac{d^2 y}{d x^2}$ equals

JEE MATHEMATICS MCQ: DIFFERENTIATION

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Application +4 | -1

\sqrt{x+y}+\sqrt{y-x}=c

then

\frac{d^2 y}{d x^2}

equals

View answer and explanation

Correct option: A

\frac{2}{c^2}

Option A is correct because the second derivative is found by implicit differentiation of the given equation, resulting in a constant value.

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