It took me 3 hours to do this integral!
10:12
Trig sub, then sub trig
22:44
integral of sin(x)/x from 0 to inf by Feynman's Technique
15:52
Does the Gaussian integral trick work for other functions?
13:08
Crazy limit - This looks familiar!
17:53
Supreme Integral with Feynman's Trick
13:33
One of the coolest integrals ever ! and we're gonna solve it using Feynman integration
31:09
The Easiest Integral on YouTube
13:37