Given the determinants of the following matrices: 2 -12 2-6 3 9 6 -6 #⠀⠀⠀H =-60, det 1 14 1 2 -2 19 -1 7 det 2-4 2-6 3-6 1 -2 1 2 -6 -2 5 -1 7 X= 0 -30, det 2 -4 -12 -6 3 -6 9 -6 1 -2 14 2 Find the (unique) solution to the following system: 2x1-4x2+2x3-6x4 = -12 3x1-6x2+6x3-6x4 = 9 x1-2x2+x3+2x4 = 14 -2x1+5x2-x3+7x4 = 19 -2 5 19 7 =150, det 2 4 2 12 3 -6 6 9 1 -2 1 14 -2 5 -1 19 = 120, det -12 -4 2-6 9 -66-6 14 -2 1 2 19 5 -1 7 =-90

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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please help me with this linear algebra question in details on how to get the X

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Given the determinants of the following matrices:
2 -4 2-6
2 -4 -12 −6
3 -6
6-6
3-6 9 -6
1 -2 14 2
1 -2 1 2
-2 5 -1 7
-2 5 19
7
Find the (unique) solution to the following system:
det
2x1−4x2+2x3−6x4
3x1-6x2+6x3-6x4 = 9
x1-2x2+x3+2x4
14
-2x1+5x2-x3+7x4
19
X=
0
0
=
=
=
:30,
-12
det
= 150, det
2
-12
3
9
1
14
1
-2 19 -1 7
2 -6
6-6
2
27
-60, det
-4 2-12
2
3
-6 6
-2 1
1
-2 5 -1
9
14
19
= 120, det
-6
-12 -4 2
-6 6-6
-2 1 2
9
14
19
5
1 7
27
=-90
Transcribed Image Text:Given the determinants of the following matrices: 2 -4 2-6 2 -4 -12 −6 3 -6 6-6 3-6 9 -6 1 -2 14 2 1 -2 1 2 -2 5 -1 7 -2 5 19 7 Find the (unique) solution to the following system: det 2x1−4x2+2x3−6x4 3x1-6x2+6x3-6x4 = 9 x1-2x2+x3+2x4 14 -2x1+5x2-x3+7x4 19 X= 0 0 = = = :30, -12 det = 150, det 2 -12 3 9 1 14 1 -2 19 -1 7 2 -6 6-6 2 27 -60, det -4 2-12 2 3 -6 6 -2 1 1 -2 5 -1 9 14 19 = 120, det -6 -12 -4 2 -6 6-6 -2 1 2 9 14 19 5 1 7 27 =-90
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