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Math Help - test for the series for convergence or divergence 2

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    test for the series for convergence or divergence 2

    the sum from 1 to infinity of n^2(e^-(n^3).
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    Quote Originally Posted by twilightstr View Post
    the sum from 1 to infinity of n^2(e^-(n^3).
    Use the ratio test.
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    does it converge absolutely by ratio test because the lim as n goes to infinity equals 0, which is less than 1.
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