Solving a Suggested Functional Equation
8:16
Solving the differential equation xy'+2y=x^3
12:43
A Cool Functional Equation
15:55
Pero ¿por qué funciona la regla de L’Hôpital?
7:54
A Functional Equation f(x+y)=f(x)+f(y)-xy
7:27
Solving An Insanely Hard Problem For High School Students
12:07
A Functional Equation from Putnam and Beyond
16:45
Un número elevado a la potencia de una matriz - Numberphile
11:13