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If f (x) = (x-1)/( x+1) , then f ((1)/( ...

If `f (x) = (x-1)/( x+1) ,` then `f ((1)/( f (x)))` equals

A

0

B

`1`

C

x

D

`1/x`

Text Solution

Verified by Experts

The correct Answer is:
D
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