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If phi (x)=f(x)+f(2a-x) and f'(x) gt a, ...

If `phi (x)=f(x)+f(2a-x)` and `f'(x) gt a, a gt 0, 0 le x le 2a`, then

A

`phi(x)` increases in (a, 2a)

B

`phi(x)` increases in (0, a)

C

`f(x)` decreases in (0, a)

D

`phi (x)` decreases in (1, 2a)

Text Solution

Verified by Experts

The correct Answer is:
A, C
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