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

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

A

1

B

`1/2`

C

0

D

`(-1)/2`

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The correct Answer is:
A
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AAKASH SERIES-DIFFRENTATION-PRACTICE SHEET (EXERCISE - I) (LEVEL - I)(Straight Objective Type Questios)
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