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Let f(X) = lfloorxrfloor - lceilingxrcei...

Let `f(X) = lfloorxrfloor - lceilingxrceiling` for all `x in R`
Answer the fllowing question based on above passage :
Domain of continuity of f(x) is

A

R

B

R-1

C

1

D

none of these

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The correct Answer is:
B
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