If `tan^(-1)(sqrt(1+x^2-1))/x=4^0` then `x=tan2^0` (b) `x=tan4^0` `x=tan1/4^0` (d) `x=tan8^0`

If tan^(-1)((sqrt(1+x^2)-1)/x)=4^0 then (a) x=tan2^0 (b) x=tan4^0 (c) x=tan1/4^0 (d) x=tan8^0

If tan^(-1)(sqrt(1+x^(2)-1))/(x)=4^(0) then x=tan2^(0)(b)x=tan4^(0)x=tan(1)/(4)^(0)(d)x=tan8^(0)

Differentiate tan^(-1)((sqrt(1+x^2)-1)/x) with respect to tan^(-1)x ,x!=0.

Differentiate tan^(-1)((sqrt(1+x^2)-1)/x) with respect to tan^(-1)x ,x!=0.

Differentiate tan^(-1)((sqrt(1+x^(2)-1))/(x)) with respect to tan^(-1)x,x!=0

tan^(-1)(x+2)+tan^(-1)(x-2)=(pi)/(4);x>0

If: tan^(-1)(1/3) + tan^(-1)( 3/4) - tan^(-1)(x/3) =0 , then: x=

Let |{:(tan^(-1)x, tan^(-1)2x, tan^(-1)3x), (tan^(-1)3x, tan^(-1)x, tan^(-1)2x), (tan^(-1)2x, tan^(-1)3x, tan^(-1)x):}|=0 , then the number of values of x satisfying the equation is