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Re: Incorrect Summation

What did you type, exactly, for Wolfram|Alpha? I tried several "obvious" things, e.g.,

  sum cos(log(log(k)))/log(k) for k from 2 to infinity

but WA was unable even to interpret it correct as asking for the sum of an infinite series.

On Dec 18, 2012, at 2:35 AM, amzoti <amzoti at> wrote:

> Hi All,
> can someone try this and see if it returns an incorrect result?
> Sum[Cos[Log[Log[k]]]/Log[k],{k,2,Infinity}]
> I tried it on WA and believe the result is incorrect.
> Thanks.

Murray Eisenberg                                    murray at
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University of Massachusetts                               413 545-2838 (W)
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