underset(0)overset(pi//2)int (sqrt(cotx)...

`underset(0)overset(pi//2)int (sqrt(cotx))/(sqrt(cot x)+sqrt(tan x))dx=`

`pi// 4`

`pi//2`

` int _( pi// 8) ^( 3 pi // 8) ( sqrt( cot x))/( sqrt( cot x ) + sqrt( tan x)) dx`

`int _(0) ^( pi//2) ( dx)/( 1 + tan ^(3) x) `

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The correct Answer is:

A, D

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