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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(e) is equal to

A

2

B

1

C

3

D

4

Text Solution

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The correct Answer is:
a
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