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
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| S Mar 23, 2017 at 17:59 | history | suggested | FAM | CC BY-SA 3.0 |
The user had mistakenly wrote "k" in place of "r"
|
| Mar 23, 2017 at 17:48 | review | Suggested edits | |||
| S Mar 23, 2017 at 17:59 | |||||
| Feb 5, 2011 at 0:00 | history | edited | Klaus | CC BY-SA 2.5 |
edited body
|
| Feb 4, 2011 at 23:45 | history | answered | Klaus | CC BY-SA 2.5 |