1 -12 -18 -18 -15 12 -5 19 19 6. -30 14 -18 -9 A = В 3 - 3 -5 -11 9. -14 -21 -8 5 26 26 19 [21 -

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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Question

MATRICES AND SYSTEMS OF LINEAR EQUATIONS (PART 1-1)
Instruction: In a bond paper, provide the step-by-step solution. Box the final answer.

1. [3(B" + 2A)] * (AB-1)
Transcribed Image Text:1. [3(B" + 2A)] * (AB-1)
1
12 -5
-12
19
19
-18 -18 -15
6.
14 -18 -9
A
-30
B =
6
L21
-5 -11
- 8
-14
I-21
2
26
19
- 3
9.
-8
26
-301
10
1
7
8.
16
7
7
-28 -30
30
5
8.
3
6.
-14
-2
C =
4
9.
9.
D =
21
20 -30
10
29
6.
3
9.
3
7
-4
21
7
18
9.
13
-26
3
4 -1
-5-
25
-2
7
||
Transcribed Image Text:1 12 -5 -12 19 19 -18 -18 -15 6. 14 -18 -9 A -30 B = 6 L21 -5 -11 - 8 -14 I-21 2 26 19 - 3 9. -8 26 -301 10 1 7 8. 16 7 7 -28 -30 30 5 8. 3 6. -14 -2 C = 4 9. 9. D = 21 20 -30 10 29 6. 3 9. 3 7 -4 21 7 18 9. 13 -26 3 4 -1 -5- 25 -2 7 ||
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