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If x=at^2, y=2at then (d^2y)/dx^2 is equ...

If `x=at^2, y=2at` then `(d^2y)/dx^2` is equal to

A

` (1)/( 2at^(3))`

B

` (-1)/( 2at^(3))`

C

` (2a)/( t^(3))`

D

` (-2a)/( t^(3))`

Text Solution

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The correct Answer is:
B
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