Question

If tan^-1 3 + tan^-1 x = tan^-1 8, then x = ____________.

पर्याय

• 5

• `1/5`

• `5/14`

• `14/5`

Answer 1

If tan^-1 3 + tan^-1 x = tan^-1 8, then x = `underline(1/5)`.