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If f:[0,1]to[0,1] is defined by f(x)={{:...

If `f:[0,1]to[0,1]` is defined by `f(x)={{:(x," if x is rational"),(1-x," if x is irrational"):}` , then (fof)(x) is

A

constant

B

1+x

C

x

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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