Groups - Definition and Properties(part 1)

MA8551 Algebra and Number Theory (Section 1 in unit 1) lecture 1 - part1. Integer modulo n and group definition , order of a group are discussed. Pdf link: https://drive.google.com/file/d/165f7E9AWKll-Xda0flCMo41OsldtJAuT/view?usp=drivesdk