A strange non-linear differential equation

8:06
An interesting separable differential equation

20:07
This integral is RIDICULOUS

12:56
Una ecuación diferencial no lineal especial

22:31
The mysterious s(x) and c(x) problem from Cambridge STEP 1 exam

13:44
Hard Integral of 1/1+x^20 dx from 0 to infinity

21:26
a very interesting differential equation

12:15
A strange differential equation (this is awesome!)

18:08