Intro to Factorials - Factorial Function

Описание к видео Intro to Factorials - Factorial Function

In this video we will learn about factorial of a number and how to simplify expressions with factorial.

The factorial of a number is the product of all positive integers less than or equal to that number. It's denoted using the symbol !.
Formula:

For a positive integer n:
n!=n×(n−1)×(n−2)×⋯×1

Special Case:
0!=1: By definition, the factorial of 0 is 1.

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