The following identity is known as Fermat's combinatorial identity. - ( n k)=∑i=k^n( i-1 k-1) n ≥k Give a combinatorial argument (no computations are needed) to establish this identity. HINI: Consider the set of numbers 1 through n. How many subsets of size k have i as their highest-numbered member? | Numerade
The following identity is known as Fermat's combinatorial identity. - …
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Give a combinatorial proof of Pascal's identity,C(n, r)=C(n-1, ... | Filo
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