Friday, September 8, 2017

sequences and series - How do i evaluate this sum :suminftym=1suminftyk=1fracm(1)m(1)klog(m+k)(m+k)3?

How do I evaluate the following sum:


m=1k=1m(1)m(1)klog(m+k)(m+k)3


Note I used many idea such as :Hochino's Idea and taylor expansion of


log(1+x) at x=1 where x=km ,but those methods not work .


and also i tried to write log(m+k) as a power series but it became to me as a


triple series then it is very complicated for evaluation !!!


Thank you for any help

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