3 Proofs of the Multiplication Rule in Modular Arithmetic!

Basics of modular arithmetic: https://youtu.be/xclxzNbXeKM

Explanation of 3 different proofs that ac is congruent to bd mod n. The multiplication rule in modular arithmetic is very important for proofs in modular arithmetic!

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

0:00 First Proof
3:08 Second Proof
5:13 Third Proof

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Music: OcularNebula - The Lopez