Timeline for List of obscure summation identities [closed]
Current License: CC BY-SA 4.0
13 events
when toggle format | what | by | license | comment | |
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Aug 8, 2021 at 0:08 | history | closed |
abx Nemo Wojowu Mark Wildon David Handelman |
Not suitable for this site | |
Aug 5, 2021 at 22:44 | vote | accept | summationman | ||
Aug 5, 2021 at 15:02 | comment | added | Dave L Renfro | See the freely available reference in this recent comment of mine. | |
Aug 5, 2021 at 10:02 | comment | added | Gerry Myerson | Thre are books of summation identities, e.g., Jolley, Summation of Series. books.google.com.au/books/about/… | |
Aug 5, 2021 at 9:09 | comment | added | Wlod AA | $\sum_{k=1}^n ka^kb^{n-k}\ =\ b^n\cdot\sum_{k=1}^n\,k\cdot\left(\frac ab\right)^k$ | |
Aug 5, 2021 at 9:08 | review | Close votes | |||
Aug 8, 2021 at 0:08 | |||||
Aug 5, 2021 at 8:46 | history | made wiki | Post Made Community Wiki by Stefan Kohl♦ | ||
Aug 5, 2021 at 8:11 | answer | added | Johannes Trost | timeline score: 0 | |
Aug 5, 2021 at 8:08 | history | edited | YCor | CC BY-SA 4.0 |
removed capitals from title
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Aug 5, 2021 at 7:55 | comment | added | summationman | Thanks I hadn't thought of that! I did realize I could use the formula I listed by factoring out the $b^n$ term however. If you want to leave ur answer as an answer instead of a comment I will accept it, since it seems pretty general. | |
Aug 5, 2021 at 7:51 | comment | added | Johannes Trost | Try out Wolfram Alpha. The code for your example is wolframalpha.com/input/… | |
Aug 5, 2021 at 7:47 | review | First posts | |||
Aug 5, 2021 at 7:57 | |||||
Aug 5, 2021 at 7:40 | history | asked | summationman | CC BY-SA 4.0 |