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f(x)=(1)/(1-x) points of discontinuity o...

`f(x)=(1)/(1-x)` points of discontinuity of the composite function `f(f(x))` are:

A

`x=0,1,2`

B

`x=-1,1`

C

`x=1,2`

D

`x=0,1`

Text Solution

Verified by Experts

The correct Answer is:
D
`x=1` is a point discontinuity
`f(f(x))=(x-1)/(x)`
`x=0` is a point of discontinuity
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