Let x=at^2-1, where a>0 and y=t^3+1. If at t=1, d^2y dx^2 = 3 16 , then the value of a is…

MHT CET 2026 Mathematics question

Let , where and . If at , , then the value of is…

Answer: (D)

and , so . Then . At :

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Question ID VK-101087