Can we have 1/2 factorial?

What Is Half Factorial = ? Gaussian Integral,    • How Laplace solved the Gaussian integral   Pi function and the Gamma Function,    • Introduction to the Gamma function & the P...   , 高斯積分:    • 高斯積分, 積分 e^(-x^2) 中文版, Gaussian integral, ...   , 💪 If my videos have helped you and you want to support it, please check out my Patreon:   / blackpenredpen