Let A be a 4 × 4 matrix and let x1, X2, X3, X4 be given by -183 -46 139 49 -93 -23 71 25 X1 = X2 = X3 = X4 = 112 28 -85 -30 4 1 -3 -1 If 1 1 1 Ax1 Ax2 Ахз Ax4 1 1 1 1 1 show that A is invertible and find A-1.
Let A be a 4 × 4 matrix and let x1, X2, X3, X4 be given by -183 -46 139 49 -93 -23 71 25 X1 = X2 = X3 = X4 = 112 28 -85 -30 4 1 -3 -1 If 1 1 1 Ax1 Ax2 Ахз Ax4 1 1 1 1 1 show that A is invertible and find A-1.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Let A be a 4 × 4 matrix and let x1, x2, X3, X4 be given by
-183
-46
139
49
-93
-23
71
25
X1 =
X2 =
X3 =
X4 =
112
28
-85
-30
4
1
-3
-1
If
1
1
Ax1
1
Ax2 =
Ax3
Ax4
1
1
1
1
show that A is invertible and find A-1.
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