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Let f(x) =x -[x] , for every real number...

Let `f(x) =x -[x]` , for every real number x (where, [x] is integral part of x). Then , the value of ` int_(-1)^(1)f(x) dx` is equal to

A

1

B

2

C

0

D

`-(1)/(2)`

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A
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