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If x ne 1 and f (x) =(x+1)/(x-1) is a re...

If `x ne 1 and f (x) =(x+1)/(x-1)` is a real function, then `f (f(f(2)))` is

A

f is one-one and onto in R

B

f is one-one but not onto in R

C

f is onto in R but not one-one

D

f is netither one-one nor onto in R

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The correct Answer is:
A
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TARGET PUBLICATION-SETS, RELATIONS AND FUNCTIONS-COMPETITVE THINKING
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