A much more friendly approach to the cubic formula.
27:18
Re-nesting cube roots with Ramanujan
36:58
500 ans de NON enseignement de la formule cubique
20:33
a quaternion version of Euler's formula
6:41
Solving a simple cubic equation. A trick you should know!
21:25
one of the most beautiful techniques
31:27
EXTREME quintic equation! (very tiring)
11:39
a very cool "recursive" differential equation
19:14