Matrices and Determinants

Further Mathematics S.S.S 3 First Term

WEEK 6

Matrices and Determinants

Performance Objectives

Students should be able to:

1. Solve simultaneous equations using matrices

Content

Two Simultaneous Equations in Two Unknowns

Example 1

Use determinants to solve the simultaneous equations:

 

   

Solution

 

 

   

 

 

Three Simultaneous Equations in Three Unknowns

Example 2

Use determinants to solve the simultaneous equations:

 

   

 

Solution