Solve for x: `tan^-1(x+1)+tan^-1(x-1)`=`tan^-1(8/31)`

Solve for x: tan^-1 (x+1) + tan^-1(x-1) = tan^-1 frac{8}{31}, x > 0

Solve for x : (i) tan^(-1)(x+1)+tan^(-1)(x-1)=tan^(-1)""8/31 (ii) tan^(-1)(2+x)+tan^(-1)(2-x)=tan^(-1)""2/3 (iii) cos(sin^(-1)x)=1/9 (iv) cos(2sin^(-1)x)=1/9

Solve: tan^(-1)(x+1)+tan^(-1)(x-1)=tan^(-1)(8/31) .

Solve for x : tan^(-1)(x+2)+tan^(-1)(x-2)=tan^(-1)(8/(79)) , x >0

Solve for x tan^(-1)(x+2)+tan^(-1)(x-2)=tan^(-1)(8/79),x>0 .

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

Solve for x; tan^(-1)(1/2)+tan^(-1)2=tan^(-1)x

Solve tan^(-1)(x+1)+tan^(-1)(x-1)=tan^(-1)""(8)/(31)

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