a nice floor problem from the IMO long list.
12:33
what a nice Diophantine equation.
15:53
I hope you didn't forget your linear algebra for this integral!
23:14
From the IMO shortlist.
45:24
Why you can't solve quintic equations (Galois theory approach) #SoME2
9:30
What are Catalan Numbers?
49:34
Analytic Continuation and the Zeta Function
25:46
integral of sqrt of tanx
15:26