zeion
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Homework Statement
Determine whether the series converges or diverges.
\sum \frac{lnk}{k^3}
Homework Equations
The Attempt at a Solution
Since lnk always less than 0, so \frac{lnk}{k^3} \leq \frac{1}{k^3} and \frac{1}{k^3}diverges so\frac{lnk}{k^3} diverges.