The hardest problem on the hardest test
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Why it's on BrighterTube
Hand-picked by a BrighterTube curator · found via HackerTube (Karpathy's dataset of videos Hacker News recommends · 95% confidenceA masterclass in problem-solving strategy (simplify, find the key reframing, generalise) rather than just an answer; one of 3Blue1Brown's most-cited videos on HN.
What you'll learn
Works through the famously hard Putnam problem about the probability that a random tetrahedron in a sphere contains its centre, by first solving the 2D version.
Video by 3Blue1Brown, played through YouTube's embedded player.
Part of Переводы на русский язык, Puzzles with beautiful solutions, Traducciones al Español
Go deeper
- The Joy of x, Steven StrogatzSteven Strogatz's friendly tour of maths' big ideas
- Humble Pi, Matt ParkerMatt Parker on maths mistakes in the real world
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