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
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 21, 2017 at 6:08 | review | Low quality posts | |||
| Mar 21, 2017 at 6:38 | |||||
| Mar 21, 2017 at 5:59 | history | edited | suomynonA | CC BY-SA 3.0 |
added 7 characters in body
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| Mar 21, 2017 at 5:56 | history | edited | A Blumenthal | CC BY-SA 3.0 |
Clarified logical progression.
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| Mar 21, 2017 at 5:02 | review | Low quality posts | |||
| Mar 21, 2017 at 5:56 | |||||
| Mar 21, 2017 at 4:45 | history | answered | suomynonA | CC BY-SA 3.0 |