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ngdiana

  • one year ago

Determine convergence or divergence of the series?

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  1. ngdiana
    • one year ago
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    \[\sum_{n=0}^{\infty} (n^3+3)/9^n\]

  2. anonymous
    • one year ago
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    ratio test probably best for this one although it should be clear that it converges because \(9^n\) grows way way way faster than \(n^3\)

  3. ngdiana
    • one year ago
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    thank you! I will use ratio test

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