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The value of intx^(2pi) [2 sin x] dx,whe...

The value of `int_x^(2pi) [2 sin x] dx,`where [x] represents the greatest integer function, is :

A

`-(5pi)/3`

B

`-pi`

C

`(5pi)/3`

D

`-2pi`

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The correct Answer is:
A
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