Partial sum of general harmonic series











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I have a trouble to calculate or find accurate approximation for the following finite series: $$sum_{i=1}^{n} frac {1} {(1+s+id)^i}.$$



How above mentioned partial sum can be calculated or approximated?



Can the series considered as general harmonic series?






calculus sequences-and-series harmonic-numbers







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    up vote
    0
    down vote

    favorite












    I have a trouble to calculate or find accurate approximation for the following finite series: $$sum_{i=1}^{n} frac {1} {(1+s+id)^i}.$$



    How above mentioned partial sum can be calculated or approximated?



    Can the series considered as general harmonic series?






    calculus sequences-and-series harmonic-numbers







    share|cite|improve this question


























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I have a trouble to calculate or find accurate approximation for the following finite series: $$sum_{i=1}^{n} frac {1} {(1+s+id)^i}.$$



      How above mentioned partial sum can be calculated or approximated?



      Can the series considered as general harmonic series?






      calculus sequences-and-series harmonic-numbers







      share|cite|improve this question















      I have a trouble to calculate or find accurate approximation for the following finite series: $$sum_{i=1}^{n} frac {1} {(1+s+id)^i}.$$



      How above mentioned partial sum can be calculated or approximated?



      Can the series considered as general harmonic series?






      calculus sequences-and-series harmonic-numbers




      calculus sequences-and-series harmonic-numbers






      share|cite|improve this question















      share|cite|improve this question













      share|cite|improve this question




      share|cite|improve this question








      edited Nov 17 at 15:45

























      asked Nov 17 at 15:18









      David

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      408



























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