Bulgarian Mathematical Olympiad (Two methods)
15:28
Solving f(3), given that f(f(x)) = (x+1)/(x+2)
15:05
Nice Olympiad Math | x^2–x^3=12 | Nice Math Olympiad Solution
11:56
Wolfram alpha fails to answer this (If you type it directly)
20:59
A very nice olympiad question | How to solve (4 + \sqrt{5})^x + (4 - \sqrt{5})^× | Algebra |
14:44
Can you crack this TOUGH math problem? - 2015 German Math Olympiad.
20:59
1995 British Mathematics Olympiad problem
11:38
The hardest algebra puzzle
5:33