The points of discontinuities of f (x)= ...

The points of discontinuities of `f (x)= [(6x)/(pi)]cos [(3x)/(pi)]"in" [(pi)/(6), pi]` is/are:(where [.] denotes greattest integer function)

A

`pi/6`

B

`pi/3`

C

`pi/2`

D

`pi`

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The correct Answer is:

B, C

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