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Let f(x) = (1)/(2) [f( xy ) + f((x)/(...

Let ` f(x) = (1)/(2) [f( xy ) + f((x)/(y)) ]AA x, y in R ^(+) ` such that ` f(1) = 0, f^(1) (1)=2 ` Now answer the following
` f(x) - f(y ) = `

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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