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Math Help - Series and convergence

  1. #1
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    Series and convergence

    Hi everyone, I was wondering if anyone can help me with this problem.

    Find the values of x for which the series converges. Find the sum of the series for those values of x.

    \sum_{n=1}^(infin) (x^n)/(3^n)
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  2. #2
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    Use the absolute root test.
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