1

Equivalence Relation

2

Equivalence Relation – Problems

3

Types of Functions

4

Composite Functions, Exercise.1.3 [3(ii), 4]

5

Invertible Function, How to find the Value of Inverse, Exercise.1.3 [5]

6

Exercise.1.3 [8,11,13]

7

Exercise.1.3 [14], Binary Operations; Exercise.1.4 [1(i,iii),2,9(ii)]

8

Exercise.1.4 [9(i,v),11]; Identity Element

9

Exercise 1.1 (2, 3, 4 & 5)

10

Exercise 1.1 ( 6, 7, 9 i, 9 ii)

11

Exercise 1.1 [10( i, ii, iii, iv, v), 15, 16]

12

Exercise1.4 [6(i,ii,iii,iv,v),7,8,12(i,ii),13]