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int0^(pi//2)sqrt(cotx)/(sqrt(cotx)+sqrt(...

`int_0^(pi//2)sqrt(cotx)/(sqrt(cotx)+sqrt(tanx))`dx is equal to :

A

1

B

`-1`

C

`pi/2`

D

`pi/4`

Text Solution

Verified by Experts

The correct Answer is:
D
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