Upload date
All time
Last hour
Today
This week
This month
This year
Type
All
Video
Channel
Playlist
Movie
Duration
Short (< 4 minutes)
Medium (4-20 minutes)
Long (> 20 minutes)
Sort by
Relevance
Rating
View count
Features
HD
Subtitles/CC
Creative Commons
3D
Live
4K
360°
VR180
HDR
5,734 results
Struggling with surds? This video will help you! In this video, I solve the math olympiad problem: if x = 5 + 2√6, evaluate (x-1)/√x.
156 views
10 months ago
In this video, I solve the 2001 German Math Olympiad problem: Find q so that the quartic equation x⁴ - 40x² + q has roots forming ...
906 views
1 year ago
