Concept explainers
In Problems
The solution of the system of linear equations using matrices (row operations),
Answer to Problem 49AYU
Solution:
The solution of the system is
Explanation of Solution
Given information:
The system of linear equations,
Explanation:
To solve this system using row operation method, first write these equations in augmented matrix.
Therefore, matrix becomes
Interchanging the rows
Perform the row operation
Perform the row operation
Perform the operation
Perform the operation
By performing
Using
To make leading element of second row
By performing
To make leading element of first row
Therefore, the solution of system of equations
Chapter 11 Solutions
Precalculus
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