Least Residue of a Quadratic Congruence Mod 21

Описание к видео Least Residue of a Quadratic Congruence Mod 21

This video discusses how to solve a system of quadratic congruences for the variable x .
The question is x^2+7x-12=3 for modulus 21
We first solve mod 3 then mod 7
Then we find 4 solutions using the Chinese Remainder Theorem
This is a topic in Number Theory

   • Hensel's Lemma lifting the powers to ...  
   • Solve a Quadratic Congruence Equation  

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