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The function f(x) = [x]^2-[x^2] (where ...

The function ` f(x) = [x]^2-[x^2]` (where [.] denotes the greatest integer function ) is discontinuous at

A

all integers

B

all integers except 0 and 1

C

all integers except 1

D

all integers except 0

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The correct Answer is:
C
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