Timeline for A question about summation formula involving binomial coefficient
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 13, 2015 at 3:04 | vote | accept | user26143 | ||
| Apr 13, 2015 at 1:12 | history | answered | Max Alekseyev | CC BY-SA 3.0 |