It took me 3 hours to do this integral!
10:12
Trig sub, then sub trig
17:53
Supreme Integral with Feynman's Trick
20:37
Integrate x^-x dx
13:08
Crazy limit - This looks familiar!
13:33
One of the coolest integrals ever ! and we're gonna solve it using Feynman integration
18:05
But HOW did Euler do it?! A BEAUTIFUL Solution to the FAMOUS Basel Problem!
8:21
Differentiation under the Integral Sign Tutorial
22:44