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Sep 26, 2015 at 12:25 comment added Gottfried Helms Ah, I agree. That's also my favorite index, btw., because I look at many of this problem with the view on matrices. However with that sum of powers-problems I let then start the series-definition with $(n+1)$ to avoid powers of zero and to allow easy generalizations (of course the most simple one, series where the index is in the denominator)
Sep 26, 2015 at 12:15 comment added Lucian @GottfriedHelms: As a matter of personal taste and preference, I always start at $n=0$, unless the zero-term is undefined. The fact that, in this particular case, it is redundant, hasn't even crossed my mind until you just brought it up. :-)
Sep 26, 2015 at 11:57 comment added Gottfried Helms I see the lower bound for the index $n$ in the sum being zero. Is that really meant?
S Feb 22, 2015 at 14:54 history suggested user21574
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S Feb 22, 2015 at 14:54
Feb 22, 2015 at 14:24 answer added user21574 timeline score: 3
Feb 22, 2015 at 14:11 history asked Lucian CC BY-SA 3.0