Number System In earlier classes, you studied the system of numbers, whole numbers, integers, and fractions. You may recall them asunder. Natural Number: The counting number are called natural numbers. Thus, 1,2,3,4,… are all natural numbers. Whole Number: All natural numbers together with () (zero) are called whole numbers. Thus, 0, 1, 2, 3, […]
Venn-Diagram A simple way of showing the relationship between sets is by the use of the Venn diagram. In a Venn diagram, a closed curve and the points of the interior of the closed curve represent the elements of the set under consideration. For convenience, an oval or a circle or a rectangle is
SUBSETS If each member of set B is a member of set A, then set B is called a subset of set A or we say “Set B is included in set A”, It i\t is possible for two to set A and B to have exactly the same elements, in that case, set
Concepts of Sets We often have to deal with the collection of objects. A single word is used to denote a collection such as 1. A BUNCH of Keys 2. A CLASS of students 3. An ALBUM of photograph In mathematics, we too deal with collections and we use the word “SET” to describe
