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If the period of the function f(x) = sin...

If the period of the function `f(x) = sin ( sqrt([n]) x)`, where `[n]` denotes the greatest integer less than or equal to `n,` is `2pi`, then

A

`1 le n le 2`

B

`1 lt n lt 2`

C

`1 le n le 2`

D

`1 lt n le 2`

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The correct Answer is:
A
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