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

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

A

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

B

`((alpha -1) f (x) + alpha +1)/((alpha +1) f (x) + (alpha -1))`

C

`((alpha +1 ) f (x) + alpha -1)/((alpha -1) f (x) + (alpha +1))`

D

`(f(alpha x ) -1)/(f (alpha x) +1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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