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If f(x) is a real-valued function discon...

If f(x) is a real-valued function discontinuous at all integral points lying in [0,n] and if `(f(x))^(2)=1, forall x in [0,n],` then number of functions f(x) are

A

`2^(n+1)`

B

`6xx3^(n)`

C

`2xx3^(n-1)`

D

`3^(n+1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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