Watch Extending the factorial, the Pi function, i.e. Gamma function's cousin in New Channel | Channify

Extending the factorial, the Pi function ,& the Gamma function, In this video, I discuss the Pi Function which is defined in terms of an improper integral and it is also the cousin of the Gamma function. I also show the properties of the Pi function, which helps to extend the factorial. As a bonus, I also show why 0! = 1 , enjoy! Read more: https://en.wikipedia.org/wiki/Factorial , blackpenredpen, math for fun, https://twitter.com/blackpenredpen