Stage 32 · Counting, Permutations, Combinations & the Binomial Theorem · 32.3All lessons →
Stage 32 · Counting, Permutations, Combinations & the Binomial Theorem

32.3 Combinations: Only Who Was Chosen, Not the Order

Tell combinations apart from permutations, master the combination formula and its two key properties, and solve combinations with restrictions plus simple distribution problems

6 knowledge points
Knowledge point pages
32.3.1 What a Combination Is32.3.2 The Combination Formula C(n,m)32.3.3 Two Properties of Combinations32.3.4 Telling Permutations and Combinations Apart32.3.5 Combinations with Restrictions32.3.6 Grouping and Distribution Problems
eastmath.com · 32.3 Combinations: Only Who Was Chosen, Not the Order