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If f(x) = (x-1)/(x+1), then f(2x) is equ...

If `f(x) = (x-1)/(x+1)`, then f(2x) is equal to

A

`(f(x) + 1)/(f (x) +3)`

B

` (3f (x) +1)/(f (x) +3)`

C

`(f(x)+3)/(f (x) +1)`

D

`(f(x) +3)/(3f (x)+1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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