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If x = at2, y = 2at, then \(\frac{d^2y}{dx^2}\)=

A. \(-\frac{1}{t^2}\)

B. \(\frac{1}{2at^3}\)

C. \(-\frac{1}{t^3}\)

D.\(-\frac{1}{2at^3}\)

1 Answer

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Best answer

Correct Answer is (D) \(-\frac{1}{2at^3}\) 

y = 2at, x = at2

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