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if f(x) = 1/(1-x) (x ne 1), {f[f(x)]} i...

if `f(x) = 1/(1-x) (x ne 1), {f[f(x)]}` is

A

continuous no where

B

continuous every where

C

continuous for all x except x =1

D

continuous for all x except x = 0

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The correct Answer is:
D
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