If f(x)=sin{(pi)/(3)[x]-x^(2)}" for "2lt...

If `f(x)=sin{(pi)/(3)[x]-x^(2)}" for "2ltxlt3` and [x] denotes the greatest integer less than or equal to x, then `f'"("sqrt(pi//3)")"` is equal to

A

`sqrt(pi//3)`

B

`-sqrt(pi//3)`

C

`-sqrt(pi)`

D

None of these

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The correct Answer is:

B

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