An elegant proof of Legendre's duplication formula for the gamma function
8:22
a fascinating non linear differential equation
19:06
a beautiful gamma function identity -- Legendre's duplication formula.
8:55
Proof of Euler's Integral Formula (Gamma Function)
8:31
Legendre Duplication Formula
20:39
gamma reflection via double and contour integration.
22:58
Where did the Gamma Function come from?!?! (Full Derivation)
4:06
I Found Out How to Differentiate Factorials!
13:43