1.

If f(x-y), f(x).f(y) and f(x+ y) are in arithmatic progression and f(0) ne 0 then (for AA x and y………

Answer»

`F(2) + f'(2) = 0`
`f'(2) + f'(-2) = 0`
`f(2)- f'(-2)= 0`
`f'(2)- f'(-2)= 0`

ANSWER :B


Discussion

No Comment Found

Related InterviewSolutions