JEE MATHEMATICS MCQ: DIFFERENTIATION

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Analyzing +4 | -1

Let

y=\ln (1+\cos x)^2

, then the value of

\frac{d^2 y}{d x^2}+\frac{2}{e^{y / 2}}

equals

View answer and explanation

Correct option: A

Option A (0) is correct because after finding the second derivative and simplifying, the expression

\frac{d^2 y}{d x^2}+\frac{2}{e^{y / 2}}

equals 0.

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