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Mathematics 14 Online
OpenStudy (australopithecus):

how do I solve the integral? \[121\lim_{t \rightarrow \infty} \int\limits_{4}^{t}\frac{1}{xln(x)}\] I assume it is a waste of time to use the integral test to determine convergence in the series \[\sum_{n=4}^{\infty}\frac{2012}{nln(n)}\]

OpenStudy (anonymous):

Apply a substitution \(u=\ln{x}\).

OpenStudy (australopithecus):

yeah that is very simple my brain sucks ugh

OpenStudy (anonymous):

:)

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