Question

If tan^-1 (x – 1) + tan^-1 x + tan^-1 (x + 1) = tan^-1 3x, then the values of x are ____________.

पर्याय

• `pm 1/2`

• `0, 1/2`

• `0, -1/2`

• `0, pm1/2`

Answer 1

If tan^-1 (x – 1) + tan^-1 x + tan^-1 (x + 1) = tan^-1 3x, then the values of x are `underline(0, pm1/2)`.