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यदि int (dx)/((x+2)(x^(2)+1))=a log |1 +...

यदि `int (dx)/((x+2)(x^(2)+1))=a log |1 + x^(2)| + b tan^(-1) x + (1)/(5) log|x + 2| + C` है, तो

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)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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