A. 2x1 + 3r2 + 2r3 = -6 %3D I1 + *2 - 13 = -1 2x1 + 12 – 4x3 = 0 %3D В. xi + 3r2 + 4r3 = 2 2r2 + 4r3 + r4 = -1 12 + 2r3 = 0 4.x2 - 8r3 = 8

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 75E
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In each part solve the linear system using the Gauss-Jordan method (i.e., reduce the coefficent matrix to Reduced Row Echelon Form). Show the augmented matrix you start with and the augmented matrix you finish with.

A.
2x1 + 3r2 + 2r3 = -6
%3D
I1 + *2 - 13 = -1
2x1 + 12 – 4x3 = 0
%3D
В.
Ii + 3r2 + 4r3 = 2
2x2 + 4x3 + r4 = -1
12 + 2r3 = 0
4.r2 - 8r3 = 8
Transcribed Image Text:A. 2x1 + 3r2 + 2r3 = -6 %3D I1 + *2 - 13 = -1 2x1 + 12 – 4x3 = 0 %3D В. Ii + 3r2 + 4r3 = 2 2x2 + 4x3 + r4 = -1 12 + 2r3 = 0 4.r2 - 8r3 = 8
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