TS EAMCET · Maths · Differentiation
If \(y=a \cos (\log x)+b \sin (\log x)\), where \(a, b\) are parameters, then \(x^2 y^{\prime \prime}+x y^{\prime}\) is equal to
- A \(y\)
- B \(-y\)
- C \(2 y\)
- D \(-2 y\)
Answer & Solution
Correct Answer
(A) \(y\)
Step-by-step Solution
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