this limit has a dangerous solution!!
17:18
thanks for the great limit!
15:17
a non-standard irrationality proof
16:02
Le Brachistochrone, avec Steven Strogatz
13:09
math professor explains viral square root problem
8:50
You wouldn’t expect this "quadratic" equation to have 6 solutions!
13:09
two nice superfactorial problems
16:40
Number of digits of n!
13:38