College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section6.1: Matrices And Systems Of Linear Equations
Problem 3E
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Question
Question 1, A, is
2 | a-2b+2c | 2a+b+c |
3 | 5 | a+c |
0 | -2 | 7 |
Question 2, The reduced row echelon form of the system of equations in R6(x1,x2,x3,x4,x5,x6) is given by the following augmented matrix:
1 | 3 | 0 | 4 | 2 | 0 | 0 |
0 | 0 | 1 | 2 | 0 | 0 | 0 |
0 | 0 | 0 | 0 | 0 | 1 | 0 |
0 | 0 | 0 | 0 | 0 | 0 | 0 |
a) to identify leading variables and free variables
b) then demonstrate the solution of the system equation
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