11:03
Vieta's Formula
Mohamed Omar
11:24
A Fibonacci Sequence Mystery?!?!?
7:03
How I Make Math Contest Problems
53:06
Putnam Exam Extravaganza!!! | Solutions to 15 Putnam Exam Problems
12:00
Pigeonhole Principle | Putnam Pigeonhole Problems
13:38
Putnam & International Mathematics Competition Integral Inequalities
21:36
Fractional Part Function | Floors & Fractional Parts
17:28
Sums by Integrals
9:32
CMO 1999 | A quadratic floor function equation
10:16
Cauchy Schwarz Inequality | Applications to Problems, and When Equality Occurs
15:17
Problem on Cyclic Quadrilaterals | Minimizing the Diameter
9:26
Trigonometric Integral | Symmetry For The Win!
10:38
Rectangle In A Semicircle
The Tangent Trick for Olympiad Inequalities
12:53
Jensen's Inequality: How to Use It
11:08
An Interesting Inequality
5:58
A Very Fun Trigonometric Sum
6:12
A Surprising Radical Equation
13:40
Cambridge Step 3 | 2017 #1 and the Riemann Zeta Function
14:07
Indian Math Olympiad 2014 #2 | A floor problem amenable to experimentation
18:04
Geometry Problem | Illuminating Multiple Solutions and Multiple Perspectives
11:59
Pile Puzzle | Pile Splitting and an Exciting Formula!
3:50
Probability Surprise! | Probability Problem Turns Into Something Completely Different!
6:59
Surprising Limit: Integrals in Disguise
10:42
Triangle Inscribed in Rectangle: An alternate approach to Presh's Problem!
6:37
Digit Factorial! Fun with Sums
13:39
Complicated Integral: A Cool Way!!
12:58
Exponential Equation: Say What?!?
