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If y=sqrt((1+tanx)/(1-tanx))," then: "(d...

If `y=sqrt((1+tanx)/(1-tanx))," then: "(dy)/(dx)=`

A

`1/2sqrt((1-tanx)/(1+tanx)).sec^(2)(pi/4 +x)`

B

`sqrt((1-tanx)/(1+tanx)).sec^(2)(pi/4 +x)`

C

`1/2sqrt((1-tanx)/(1+tanx)).sec(pi/4+x)`

D

`sqrt((1-tanx)/(1+tanx)).sec(pi/4+x)`

Text Solution

Verified by Experts

The correct Answer is:
A
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