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Why 0! = 1
- schoen 7y agoThe title should be "Why 0! = 1!".
- DaniAkash 7y agohad a typo. My intended title was 0! = 1
- ColinWright 7y agoThere are more reasons, and it goes a lot deeper, than just following this one pattern. The entire binomial theorem relies on 0! being 1, unless you start putting in huge numbers of exceptions and special cases. Here's a better answer: https://mathforum.org/library/drmath/view/57128.html https://mathforum.org/library/drmath/view/57128.html If you prefer video: https://www.youtube.com/watch?v=Mfk_L4Nx2ZI https://www.youtube.com/watch?v=Mfk_L4Nx2ZI