1. Find the inverse of A = 3x + y + 2z = 11 x-y+3z = 2 x + 2y + 4z = 12 3 1 -1 3 using row reduction. Then use it to solve the system 2 4

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.1: Systems Of Equations
Problem 5E
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1. Find the inverse of A =
3x + y + 2z = 11
x=y+3z = 2
x + 2y + 4z = 12
3
1
1
-1 3 using row reduction. Then use it to solve the system
2
4
Transcribed Image Text:1. Find the inverse of A = 3x + y + 2z = 11 x=y+3z = 2 x + 2y + 4z = 12 3 1 1 -1 3 using row reduction. Then use it to solve the system 2 4
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