The derivative of `tan^(-1) [(sqrt(1 + x^(2)) - 1)/(x)]` with respect to `tan^(-1)` x is

Find the derivative of tan^(-1) "" (sqrt(1 + x^(2)) - 1)/( x) with respect to tan^(-1) ( 2 x sqrt( 1 - x^(2)))/(1 - 2 x ^(2)) at x = 0

Find the derivative of tan^(-1) [(sqrt(1+x^(2))-1)/(x)] with respect to tan^(-1) ((2x)/(1-x^(2)))

The derivative of tan^(-1)((sqrt(1+x^(2))-1)/(x)) with respect to tan^(-1)((2x sqrt(1-x^(2)))/(1-2x^(2))) at x=0 is (1)/(8)(b)(1)/(4)(c)(1)/(2)(d)1

the derivation of tan ^(-1)((sqrt(1+x^(2))-1)/(x)) with respect to tan^(-1)((2x sqrt(1-x^(2)))/(1-2x^(2)))

or,find the derivatives of tan^(-1) ((sqrt(1+x^2)-1)/x) with respect to tan^(-1) ((2xsqrt(1-x^2))/(1-2x^2)) at x=0.

Find the derivative of Tan^(-1)((sqrt(1+x^(2))-1)/(x)) .

The derivative of tan^(-1)((sqrt(1+x^2)-1)/x) with respect to tan^(-1)((2xsqrt(1-x^2))/(1-2x^2)) at x=0 is

The derivative of tan^(-1)((sqrt(1+x^2)-1)/x) with respect to tan^(-1)((2xsqrt(1-x^2))/(1-2x^2)) at x=0 is 1/8 (b) 1/4 (c) 1/2 (d) 1