8:19

My First Stanford Math Tournament Problem

15:17

You see nonlinear equations, they see linear algebra! (Harvard-MIT math tournament)

22:28

so you want a HARD integral from the Berkeley Math Tournament

12:50

I visited the world's hardest math class

11:15

The hardest problem on the hardest test

8:51

The last question on my calc 2 final

5:38

This equation looks werid

13:51

so you want a VERY HARD math question?!