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If int(dx)/((x+2)(x^(2)+1))=alogabs(1+x^...

If `int(dx)/((x+2)(x^(2)+1))=alogabs(1+x^(2))+btan^(-1)x+1/5logabs(x+2)+c`, then

A

`a=-1/10, b=-2/5`

B

`a=1/10, b=-2/5`

C

`a=-1/10, b=2/5`

D

`a=1/10, b=2/5`

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