If for all real numbers y ,[y] is the gr...

If for all real numbers `y ,[y]` is the greatest integer less than or equal to `y ,`
then the value of the integral `int_(pi//2)^(3pi//2)[2sin x]dx` is

A

`-pi`

B

`0`

C

`-(pi)/2`

D

`(pi)/2`

Verified by Experts

The correct Answer is:

C

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