Lecture#4 A non commutative without unity.

This is the our next video on a brand new course of ring theory. In this lecture we will learn the basics of ring theory including definition of ring theory and various examples. stay tuned for further concepts. #ring #exam #group #mathematics #commutativeproperty What is a ring with unity? Give example of a non commutative ring which does not have a unity. write down different examples of ring with unity. Which sets are Rings? Which sets are groups under addition and under multiplication? which sets form a field.? which sets are closed under different operations.?