Why Exactly Is Zero Factorial Equal To One?

Once you get this, you won’t need to take it for granted anymore!

Hemanth
4 min readDec 16, 2021

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It is common knowledge that zero factorial is equal to one. Everyone learns this in math class in middle school. However, when we delve into it further, most of us might realise that our understanding of this concept is rather shaky. The general challenge we have with mathematics…

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