0! = 1 Explained in 5 Levels from Counting to Math Major
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YouTubeDr Sean
0! = 1 Explained in 5 Levels from Counting to Math Major
The factorial of 4 is 4! = 4 * 3 * 2 * 1 = 24. But what is 0 factorial? At first, we might guess it should be 0, but we actually define 0! = 1. Let's explore why 0! = 1 in five levels, ranging from the meaning of factorials when counting, through explanations from Calculus and beyond. 00:00 Introduction 00:22 Level 1: Counting 01:12 Level 2 ...
440.8K viewsMar 12, 2024
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