A Trick for Multiplication by 7
22:58
Differential Equations with Repeated Roots: Explained in 3 Ways
10:24
Integers as Sums of Fibonacci Numbers
22:33
Intuition Behind The Cayley Hamilton Theorem
9:18
Una desigualdad irracional
6:20
Integration using King’s Rule
9:44
Kaprekar's Constant
8:17
Some silly number systems
18:30