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The function f(x)=(sec^(-1)x)/(sqrt(x-[...

The function `f(x)=(sec^(-1)x)/(sqrt(x-[x]))` where [x] denotes the greatest integer less than or equal to x is defined for all x belonging to :

A

`R`

B

`R-{(-1,1) cup {n:n in Z}}`

C

`R^(+)-(0,1)`

D

`R^(+)-[n:n in N]`

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The correct Answer is:
B
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