If \(y=\frac{A}{x}+B x^2\), then \(x^2 \frac{d^2 y}{d x^2}=\), \(2 y\), \(y^2\), \(\mathrm{y}^3\), \(\mathrm{y}^4\)

If \(y=\frac{A}{x}+B x^2\), then \(x^2 \frac{d^2 y}{d x^2}=\)

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If \(y=\frac{A}{x}+B x^2\), then \(x^2 \frac{d^2 y}{d x^2}=\)

MathematicsDifferentiationWBJEEWBJEE 2011

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1797 Upvotes Verified Answer

The correct answer is: \(2 y\)

Hints: \(\frac{x^2 d^2 y}{d x^2}=2\left(A / x+B x^2\right)=2 y\)

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