Category:Chu-Vandermonde Identity/Examples/3 from 4 + 5
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This category contains pages concerning $\ds \binom {4 + 5} 3 = \sum_{k \mathop = 0}^3 \binom 4 k \binom 5 {3 - k}$:
- $\ds \binom 9 3 = \binom {4 + 5} 3 = \sum_{k \mathop = 0}^3 \binom 4 k \binom 5 {3 - k}$
Pages in category "Chu-Vandermonde Identity/Examples/3 from 4 + 5"
The following 3 pages are in this category, out of 3 total.