a fórmula cúbica (versão completa)
22:28
so you want a HARD integral from the Berkeley Math Tournament
8:38
You use the quadratic formula all the time, but where did it come from?
7:37
Maths Olympiad Problem | Find X
36:58
500 years of NOT teaching THE CUBIC FORMULA. What is it they think you can't handle?
26:31
How to Take the Factorial of Any Number
14:47
An Exact Formula for the Primes: Willans' Formula
12:59
You probably haven't solved a quartic equation like this before!
21:43