What are the properties of factorials?
Factorials have several interesting properties, such as n! = n × (n-1)! and 0! = 1. Would you like to know more?
Can you explain why 0! equals 1?
Certainly! The definition of factorial is based on the number of ways to arrange n items. For 0 items, there's exactly one way to arrange them: do nothing!
What about the factorial of negative numbers?
Factorials are not defined for negative integers. The factorial function is only defined for non-negative integers.
Are there any applications of factorials in mathematics?
Yes, factorials are used in permutations, combinations, and in various mathematical series and functions.
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