Find x if `tan^(-1)(x) = tan^(-1)(1/2) + tan^(-1)(3/7)`

Find x if tan^(-1)x=tan^(-1)((1)/(3))+tan^(-1)((1)/(4))

tan^(-1)(2+x)+tan^(-1)(2-x)=tan^(-1)((2)/(3))

The number of integral values of x satisfying the equation tan^(-1) (3x) + tan^(-1) (5x) = tan^(-1) (7x) + tan^(-1) (2x) is ____

tan^(-1)3-tan^(-1)2=tan^(-1)(1/7)

tan^(-1)3-tan^(-1)2=tan^(-1)(1/7)

Prove that tan (2 tan^(-1) x ) = 2 tan (tan^(-1) x + tan^(-1) x^(3)) .

Solve for x , tan^(-1) ( x + 1) + tan^(-1) x + tan^(-1) ( x - 1) = tan ^(-1) 3x

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

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