Recent questions tagged goclasses_wq13

4 votes
2 answers
2
Consider the following two combinatorial identities:For all $\mathrm{k}, \mathrm{n} \in \mathrm{N}$ with $\mathrm{k} \leq \mathrm{n}$,$$\left(\begin{array}{l} n \\ 2 \end...
3 votes
1 answer
4
4 votes
3 answers
12
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