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The integral int[-1/2]^[1/2]([x]+log([1+...

The integral `int_[-1/2]^[1/2]([x]+log([1+x]/[1-x]))dx` equals to (`[x]` is the greatest integer `le x`)

A

`-1/2`

B

1

C

`2 ln (1/2)`

D

0

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A
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