Can we really do "-2 choose 5"? Generalized Binomial Theorem
20:45
How to expand (a+b)^n (Binomial Theorem with a combinatoric approach)
25:22
What Lies Above Pascal's Triangle?
12:59
7 factorials you probably didn't know
22:27
a spectacular solution to the Basel problem (sum of 1/n^2 via a complex integral)
22:51
I can solve any quintic equation!!
12:08
The Limit (do not use L'Hospital rule)
45:04
Why There's 'No' Quintic Formula (proof without Galois theory)
17:08