2X1 22z - Xy + Xq = 25 3 Xi + Xz Xi -Xz Zxg -4x4=7 - Xy- X4=9 Aス-b

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.2: Systems Of Linear Equations In Two Variables
Problem 9E
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Solve the following system of equations using the Gaussian method by pivoting and then use the inverse cascade method to obtain the values of x1, x2, x3 and x4

Note
To start with the Gaussian method with Pivoting Go into the form A x = b

X, + 3x2-2Xg +3x4= 12
Xy + Xq =25
2X1
3 Xi + Xe
Xi
Zx3 -4x4=7
%3D
|
-
X3- X4=9
-
Aã = b
%3D
Transcribed Image Text:X, + 3x2-2Xg +3x4= 12 Xy + Xq =25 2X1 3 Xi + Xe Xi Zx3 -4x4=7 %3D | - X3- X4=9 - Aã = b %3D
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