Finding the Integral Part of a Sum | Problem From Sweden 🇸🇪

A Tough Functional Problem From Finland 🇫🇮 (Ackermann's Function)

Solving a Recursive Sequence From West Germany 🇩🇪 | 1981 IMO

An Interesting Olympiad Problem from Brazil 🇧🇷

Trig X Polynomial Inequality Proved Using Calculus | IMO

A Fun Problem From the IMO 1967

An Interesting System of Equations From Romanian Math Contest 1979

A Simple Proof to This Inequality with a Gigantic Sum by Titu Andreescu

Simplifying a Trig Telescopic Sum

A Typical Problem In High-school Math Competitions

A Classic Number Theory Problem Every Beginner Should Know!

Simplifying a Nested Radical Expression

A System of Equations Solved in an Unusual Way | Olympaid Practice Problem

Proving a Simple Inequality with the Given Equality

Finding the Minimum of This Interesting Expression | Olympiad Practice Problem

Tough Exponential Equation Solved in Positive Integer | Olympaid Math

This Number has (at least) n Distinct Prime Divisors! | Proof by Induction | Number Theory

My Favorite Proof of the A.M-G.M Inequality

Finding a Closed Form to This Infinitely Nested Radical

The 2 Most Common Ways to Solve Trig Equations | Speedrun

This Number will Never Become an Integer | Proofs with/without Bertrand's Postulate

Finding the General term for This Wild Sequence: 1, 2, 2, 3, 3, 3, ...

How about a System of Equations with n Variables?

An Unconventional Way to Crack This Tough Exponential Equation | RMO 1984

An Interesting Way to Solve This Type of Problem | Oympiad Math

Proof of a Trigonometric Inequality with a Parameter

Is This Actually True? | Olympiad Practice Problem.

Can You Estimate the Value of This Sum? | How to Find the Integer Part of This Number

Never Let These Problems Fool You! | The Ultimate Weapon

Tricky Olympiad Inequality Defeated by A.M - G.M