Combinations Formula Explained

The Combination Formula and Why it Works | Combinatorics, Combinations and Permutations

How many ways can we select k objects from a collection of n objects? The number of combinations of k objects from a collection of n objects has a very nice formula that we will demonstrate and explain in today's video combinatorics lesson! I assume you're mostly familiar with factorials and permutations in this lesson, if you need to brush up ...

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