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The value of lim(xrarra)sqrt(a^2-x^2)cot...

The value of `lim_(xrarra)sqrt(a^2-x^2)cot""pi/2sqrt((a-x)/(a+x))` is

A

`(2a)/pi`

B

`-(2a)/pi`

C

`(4a)/pi`

D

`-(4a)/pi`

Text Solution

Verified by Experts

The correct Answer is:
C
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