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If [.] denotes the greatest integer less...

If `[.]` denotes the greatest integer less than or equal to x and (.) denotes the least integer greater than or equal to x, then domain of the function `f(x)=sin^(-1){x+[x]+(x)}` is

A

80

B

`-80`

C

72

D

none of these

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The correct Answer is:
D
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