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OpenStudy (anonymous):
prove that the following series is divergent \[\sum_{n=1}^{\infty}{\frac{1}{\ln(n)}}\]
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OpenStudy (zarkon):
ln(1)=0 ... you might want to start at n=2 ... then use the comparison test
OpenStudy (anonymous):
compare it to.... 1/n?
OpenStudy (zarkon):
yes
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