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If y = sin t and x = 2 t then (d^(2)y)/(...

If y = sin t and x = 2 t then `(d^(2)y)/(dx^(2))` =

A

`- (1)/(4)` sin t

B

`- `sin t

C

`(1)/(4)` cos t

D

cos t

Text Solution

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The correct Answer is:
A
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