Timeline for Sum related to Binomial Coefficients [duplicate]
Current License: CC BY-SA 4.0
11 events
| when toggle format | what | by | license | comment | |
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| Mar 27 at 19:06 | history | closed |
Another User Claude Leibovici Sebastiano TheSilverDoe amWhy algebra-precalculus Users with the algebra-precalculus badge can single-handedly close algebra-precalculus questions as duplicates and reopen them as needed. |
Duplicate of Evaluating $\sum_{r=1}^{3n-1}\dfrac{(-1)^{r-1}\cdot r}{\binom{3n}r}$ | |
| Mar 27 at 13:55 | comment | added | Kutta Khan | Can you please show the derivation? | |
| Mar 27 at 13:50 | history | edited | Kutta Khan | CC BY-SA 4.0 |
edited body
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| Mar 21 at 16:23 | answer | added | Leox | timeline score: -1 | |
| Mar 21 at 15:25 | comment | added | Mariusz Iwaniuk | $$\sum _{r=1}^{n-1} \frac{(-1)^{r-1} r}{\binom{n}{r}}=\frac{1+n+(-1)^n (-1+n (2+n))}{(2+n) (3+n)}$$ where: $n=2024$. | |
| Mar 21 at 11:10 | comment | added | Leox | Сlarify what the summation index $i$ or $r$ should be? | |
| Mar 21 at 10:42 | review | Close votes | |||
| Mar 27 at 19:06 | |||||
| Mar 21 at 10:31 | history | edited | Kutta Khan | CC BY-SA 4.0 |
added 199 characters in body
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| Mar 21 at 10:21 | comment | added | David Krell | Please show what you've tried so far. | |
| S Mar 21 at 10:19 | review | First questions | |||
| Mar 21 at 10:22 | |||||
| S Mar 21 at 10:19 | history | asked | Kutta Khan | CC BY-SA 4.0 |