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f(x - y), f(x) f(y), f(x + y) are in A.P...

`f(x - y), f(x) f(y), f(x + y)` are in A.P. `AA x, y` and `f(0) != 0` then

A

`f(2) = f(-2)`

B

`f(-3) + f(3) = 0`

C

`f'(4) + f'(-4) = 0`

D

`f'(3) = f'(-3)`

Text Solution

Verified by Experts

The correct Answer is:
A, C
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