the equation Ramanujan couldn't solve!!
24:20
Too hard for the IMO? Too easy?
21:28
the wildest exponential equation I have ever seen!
15:43
what function satisfies these conditions??
18:05
But HOW did Euler do it?! A BEAUTIFUL Solution to the FAMOUS Basel Problem!
18:44
A deceivingly difficult differential equation.
16:24
The Riemann Hypothesis, Explained
11:40
the most famous Ramanujan sum 1+2+3+...=-1/12
14:47