Timeline for Proving Pascal's Rule : ${{n} \choose {r}}={{n-1} \choose {r-1}}+{{n-1} \choose r}$ when $1\leq r\leq n$
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Sep 29, 2015 at 21:05 | history | edited | Marat Zakirov | CC BY-SA 3.0 |
[Edit removed during grace period]
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| Sep 29, 2015 at 19:17 | review | Late answers | |||
| Sep 29, 2015 at 19:32 | |||||
| Sep 24, 2015 at 6:37 | history | answered | Marat Zakirov | CC BY-SA 3.0 |