4.1 MATRICES
Introduction
Types of Matrices
Example 1
Example 2
Example 3
Example 4
Example 5 & 6
4.3 INVERSE OF MATRICES
Additional Example ERO 2x2
Additional Example ERO 3x3
Properties of Inverse Matrix
4.4 SYSTEMS OF LINEAR EQUATIONS
Example 19 & 20
Types of Solutions
Example 21
Example 22
Example 23
Example 24
Example 25
Example 26
Example 27
Example 28
Example 29
Example 30