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    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pmsc/126/02/0207-0212

    • Keywords

       

      Regularly convergent double series; alternating series; hyperbolic functions.

    • Abstract

       

      We employ Hardy’s regularly convergent double series to refine an argument of Nanjundiah [7]. In particular, we evaluate some alternating series.

    • Author Affiliations

       

      DONG JUN JEE TUO YEONG LEE NATHANIEL ZHI-WEI LEON

      1. Dates

         
        Published
        1 May 2016
        Manuscript received
        6 June 2014
        Manuscript revised
        8 January 2015
        Accepted
        20 January 2015

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