Basic Mathematics by Serge Lang - 3.4 Inequalities (Basic Mathematics)

From a practical perspective, there is only one important rule you need to remember when dealing with inequalities. From a theoretical standpoint, we can have some fun proving some rather easy things using inequalities. Provided you remember that two positive number add and multiple into positive numbers. 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!