Drill 12. Solve the system using Cramer's rule, or show that the rule does not apply because the matrix of coefficients is singular. 5x1 - 6x2 + X3 = (1) -x1 + 3x2 4x3 2x1 + 3x2 + X3 (1) 2x1 3x2 X2 X3 3x3 + 4x3 X1 3x2 + I 45 X4 X4 2x4 = 2250 || || || ||

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter12: Algebra Of Matrices
Section12.CT: Test
Problem 21CT
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Drill 12.
Solve the system using Cramer's rule, or show that the rule does not apply because the matrix of coefficients
is singular.
5x1
-
6x2 +
X3
=
(1) -x1
+ 3x2
4x3
2x1
+ 3x2
+
X3
(1)
2x1
3x2
X2
X3
3x3
+ 4x3
X1
3x2
+ I
45
X4
X4
2x4
=
2250
|| || || ||
Transcribed Image Text:Drill 12. Solve the system using Cramer's rule, or show that the rule does not apply because the matrix of coefficients is singular. 5x1 - 6x2 + X3 = (1) -x1 + 3x2 4x3 2x1 + 3x2 + X3 (1) 2x1 3x2 X2 X3 3x3 + 4x3 X1 3x2 + I 45 X4 X4 2x4 = 2250 || || || ||
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