Quadratic Reciprocity using Gauss's Lemma

Gauss's Lemma:    • Proof & Explanation: Gauss's Lemma in Numb...   Quadratic reciprocity is one of the most important results in elementary number theory when it comes to computing Legendre symbols. To prove it, we use a proof based on Gauss's lemma and Euler's criterion! Quadratic Residues playlist:    • Quadratic Residues   Subscribe to see more new math videos! Music: C418 - Pr Department