[1 2 3] 1. Let A = |1 1 2 Lo 1 2] a) Find A-1. 1 0 0 1 -1 1 3. Given A = |1 -1 1 lo 1 0 -1] b) Write the corresponding elementary matrix for each row operatior used.
[1 2 3] 1. Let A = |1 1 2 Lo 1 2] a) Find A-1. 1 0 0 1 -1 1 3. Given A = |1 -1 1 lo 1 0 -1] b) Write the corresponding elementary matrix for each row operatior used.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.6: The Algebra Of Matrices
Problem 14E
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Transcribed Image Text:[1 2 31
1 2
Lo 1 2.
1. Let A = |1
a) Find A-1.
[1 1
1
-1
1
3. Given A =
|1 -1
Lo
1
1
1
b) Write the corresponding elementary matrix for each row operatior
used.
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