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Math Help - Series converges

  1. #1
    Junior Member superman69's Avatar
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    Series converges

    Decide whether each of the following series converges. If a given series converges, compute its sum. Otherwise, enter INF if it diverges to infinity, MINF if it diverges to minus infinity, and DIV otherwise.


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    I don't understand how to solve these. Please help.
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  2. #2
    MHF Contributor

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    For each of these, write out the first, say, four or five terms and see how they add.
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  3. #3
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    Quote Originally Posted by superman69 View Post
    Decide whether each of the following series converges. If a given series converges, compute its sum. Otherwise, enter INF if it diverges to infinity, MINF if it diverges to minus infinity, and DIV otherwise.



    1.



    2.



    3.




    I don't understand how to solve these. Please help.

    All three are telescoping series. Read here (scroll down a bit): Pauls Online Notes : Calculus II - Series - Special Series
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