powered by Tutorvista.com

Sales Toll Free No: 1-855-666-7440

**Sets**

In daily life, we have to deal with collections of objects.

**For example:** (i) collection of odd natural numbers less than 15 (ii) all vowels of English alphabet etc.

Each of collection is a set

We will discuss here about the different properties of sets

**Relations**

The concept of relation refers to association of two objects.

Let A, B be two (non-empty) sets then a **relation **from A to B is a rule which associates elements of sets A to elements of set B.

We shall discuss different kind of relation

Representation of a set can be in following 3 ways

- Description set
- Roaster method or table method
- Set builder method

- Finite set
- Infinite set
- Empty set
- Universal set
- Cardinal number of a finite set
- Equal sets
- Equivalent sets
- Overlapping sets
- Disjoint sets

10. Subsets

11. Proper subsets

Word problems consists of a condition in which equation are formed using basic operation on sets