This Proof Avoids Modular Inverses

Part 2: Inverting a Rational Function

The Identity That Cracks This Number, Can You Use It?

The Hidden Trick Behind Three-Variable Diophantine Equations

Why We Multiply by the Inverse to Solve Congruences

When Does the Chinese Remainder Theorem Still Work?

Here's Something Weird About the Euclidean Algorithm

Part 3: Inverting a Rational Function

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