Basic Mathematics by Serge Lang - 17.3 Properties of 2x2 Determinants (Basic Mathematics)

Now that we know what determinants are, we can explore some of the properties of them. In a 2x2 matrix, determinants are comparable to some sort of multiplication operation between the columns. This is distributive, and it is anti-commutative. It also some unusual identities. Join me on Discord: https://discord.gg/TGK47Pf Support Real Physics by buying the book through this Amazon affiliate link: https://amzn.to/2I5yIHr Here's my Patreon account if you want to give me money: https://www.patreon.com/realphysics Other ways to support Real Physics: https://youtu.be/44nldGgJCiw Playlist: https://www.youtube.com/playlist?list=PLMcpDl1Pr-viA25VUkHNmcUkWx9usPgyb Thank you!