- #1

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## The Attempt at a Solution

Thanks in advance for your help...

∫[1/(1+x^2)^2] dx

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- Thread starter igoriance
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- #1

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Thanks in advance for your help...

∫[1/(1+x^2)^2] dx

- #2

rock.freak667

Homework Helper

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What did you try?

Did you try integration by parts, substitution?

Did you try integration by parts, substitution?

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