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If y= tan^(-1)sqrt((1-x)/(1+x)) then dy/...

If `y= tan^(-1)sqrt((1-x)/(1+x))` then `dy/dx` at

A

`(-1)/(2|x|sqrt(x^2-1))`

B

`(-1)/(2xsqrt(x^2-1))`

C

`(1)/(2xsqrt(x^2-1))`

D

`(1)/(2xsqrt(x^2+1))`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-DIFFRENTATION-ADDITIONAL PRACTICE EXERCISE (LEVEL - I (MAIN))(Straight Objective Typee Questions)
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