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Math Help - series: proving conver/diverge using comparison test

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    series: proving conver/diverge using comparison test

    Prove convergence or divergence using comparison test.
    \sum \frac{ln n}{ n^2} from n=1 to inf
    I'm not sure what to compare it to.
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    MHF Contributor Drexel28's Avatar
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    Quote Originally Posted by calculushelp View Post
    Prove convergence or divergence using comparison test.
    \sum \frac{ln x}{ x^2} from n=1 to inf
    I'm not sure what to compare it to.
    There exists some N\in\mathbb{B} such that N\leqslant n\implies \ln(n)\leqslant\sqrt{n}
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