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 | |
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| Apr 17, 2015 at 1:55 | history | edited | Todd Trimble | CC BY-SA 3.0 |
corrected a typo; slight rewording for more clarity
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| Apr 16, 2015 at 6:29 | history | answered | Todd Trimble | CC BY-SA 3.0 |