Q 2685391267.     If `2 tan^(-1) x + sin^(-1) ((2x)/(1 + x^2))` is independent of `x`, then

A

`x in [1, oo)`

B

`x in [-1,1]`

C

`x in (- oo , -1 ]`

D

None of these

0
Success Rate: NAN %
Sr. No.SubjectTagCorrectRecorded Answer