JEE MATHEMATICS MCQ: DIFFERENTIATION

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Application +4 | -1

y=a \cos (\log x)-b \sin (\log x)

, then the value of

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

View answer and explanation

Correct option: A

Option A (0) is correct because substituting the given function and its derivatives into the expression results in zero.

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