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11I fy=tan^(- 1)[(sqrt(1+a^2x^2)-1)/(a x...

`11I fy=tan^(- 1)[(sqrt(1+a^2x^2)-1)/(a x)],t h e n f i n d(dy)/(dx)`

A

` (-a)/( 1+a^(2)x^(2))`

B

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

C

` (-a)/( 2(1+a^(2)x^(2))) `

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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