zero factorial, why 0! should be 1, 4 reasons

why 0! should be 1, To support my channel, you can visit the following links T-shirt: https://teespring.com/derivatives-for... Patreon:   / blackpenredpen   Thank you so much! In this video, I give 4 of my reasons on why we should have 0! to be 1. For the first reason, be sure you know the difference that I am not using the usual definition of n! to "prove" that 0! =1. I am saying that 0! should be 1 so that the pattern will still work. Pi & Gamma functions:    • Introduction to the Gamma function & the P...   0^0 convention:    • 0^0=1 is "seriesly" useful!   , negative factorial,    • Can we have negative factorial?   blackpenredpen, twitter.com/blackpenredpen math for fun, zero factorial, factoreo,