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Math Help - Serious Series Problem II

  1. #1
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    Serious Series Problem II

    Find the sum of:

     <br />
1/(1*3) + 1/(3*5) + 1/(5*7) + ... + 1/((2n-1)(2n+1))<br />
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  2. #2
    Math Engineering Student
    Krizalid's Avatar
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    as written, it's a finite sum, not a series.

    have you ever heard about "telescoping sum?"
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