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If x=t^2,y=t^3,t h e n(d^2y)/(dx^2) is ...

If `x=t^2,y=t^3,t h e n(d^2y)/(dx^2)` is (a)`3/2` (b) `3/(4t)` (c) `3/(2t)` (d) `(3t)/2`

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