int (tanx)/(sqrt(a+b tan^(2)x))dx=...

`int (tanx)/(sqrt(a+b tan^(2)x))dx=`

A

`(1)/(sqrt(b-a))Cos^(-1)[sqrt((b-a)/(b))cosx]+c`

B

`-(1)/(sqrt(b-a))Cos^(-1)[sqrt((b-a)/(b))cosx]+c`

C

`(2)/(sqrt(b-a))Cos^(-1)[sqrt((b-a)/(b))cosx]+c`

D

`-(2)/(sqrt(b-a))Cos^(-1)[sqrt((b-a)/(b))cosx]+c`

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The correct Answer is:

1

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