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If x = a(1+ cos theta), y = a (theta + s...

If `x = a(1+ cos theta), y = a (theta + sin theta)`, then `(d^(2)y)/(d x^(2))` at `theta = (pi)/(2)` is

A

`-(1)/(a)`

B

`(1)/(a)`

C

`-1`

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
A
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