Timeline for Prove the identity $2(n-1)n^{n-2} = \sum^{n-1}_{i=1}\binom nii^{i-1}(n-i)^{n-i-1}$
Current License: CC BY-SA 4.0
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| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 25, 2021 at 22:54 | history | answered | Mike Earnest | CC BY-SA 4.0 |