integral of 1/(x^2+1) but you didn't learn it this way in calculus 2
9:08
the nth term formula of the Fibonacci sequence from a quadratic equation
13:51
so you want a VERY HARD math question?!
13:21
Calculus teacher vs L'Hopital's rule students
5:23
life changing integration by parts trick
24:56
Integrate 1/(1+x^3)
19:14
The strange cousin of the complex numbers -- the dual numbers.
17:43
Complex Analysis: Integral of sin(x)/x using Contour Integration
6:35