What is n choose k? || formula, examples, Pascal's triangles

Описание к видео What is n choose k? || formula, examples, Pascal's triangles

N choose k, a nickname for binomial coefficient n,k, is one of the most important number in discrete mathematics. It is defined as the number of ways to choose k objects out of the collection of n objects. In this videos, we fully explain what n choose k is, formula of n choose k in term of fraction of factorials, 2 examples, and relationship to the famous Pascal's triangle.

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