Number System

Students have confusions understanding the difference between the real and imaginary number and how they form complex number. Well here is the simple explaination, Real numbers include all the rational and irrational numbers such as 0, 1,2.78, 9.9999. etc. while imaginary numbers involve i, the square root of –1. A combination of both real and imaginary number forms a complex number. for example; 3 + 4.