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Mathematics 23 Online
OpenStudy (anonymous):

Can you help me with this integral?

OpenStudy (anonymous):

If you show it to me...

OpenStudy (anonymous):

\[\int\limits\frac{ dx }{(x^2+1)^2 }\]

OpenStudy (anonymous):

Do you know about trig substitutions?

OpenStudy (anonymous):

you can use a trig sub

OpenStudy (anonymous):

Use x=tan(u)

OpenStudy (anonymous):

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