Combinatorics and Graph Theory · Problem 1.3.17

Fundamentals — David Guichard

Mathematics — Combinatorics · binomial-coefficients

Problem

When is (ni)/(ni−1)\binom{n}{i}/\binom{n}{i-1} a maximum? When is (ni)/(ni−1)=2\binom{n}{i}/\binom{n}{i-1} = 2?

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