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Let f(x)=1/2[f(xy)+f(x/y)] " for " x,y i...

Let `f(x)=1/2[f(xy)+f(x/y)] " for " x,y in R^(+)` such that f(1)=0,f'(1)=2.`
f(x)-f(y) is equal to

A

`f(y/x)`

B

`f(x/y)`

C

f(2x)

D

f(2y)

Text Solution

Verified by Experts

The correct Answer is:
b
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