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OpenStudy (anonymous):
Using the substitution Rule, find:
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OpenStudy (anonymous):
\[\int\limits (\sec^2(1/x))/x^2\]
OpenStudy (mathmate):
Try u=1/x
OpenStudy (mathmate):
du = -dx/x^2
OpenStudy (anonymous):
Okay, so then I'd have (sec^2(u))/du?
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