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OpenStudy (anonymous):
Find the integral of 2x/(4+x^2) dx.
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OpenStudy (kinggeorge):
Hint: Do a u-sub with \(u=4+2x\). Let me know if you get stuck using this.
OpenStudy (kinggeorge):
Sorry, that should be \(u=4+x^2\).
OpenStudy (anonymous):
Yes, it worked.
OpenStudy (kinggeorge):
Excellent.
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