Uploaded August 2020 | Updated September 2026, 1 week ago

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Modular arithmetic basics: youtu.be/xclxzNbXeKM

Explanation of the rule for whether a number is divisible by 11. We use congruence mod 11 to show the simple rule for checking divisibility!

Modular Arithmetic playlist: youtube.com/playlist?list=PLug5ZIRrShJHPX-OyMNLLCQfKXchdZKpE

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Music: OcularNebula - The Lopez