Let 6 2 8 A= 0 0 2 6 2 5 Find A-1, if it exists. a) A does not have an inverse. 43 37 19 2 2 2 b) -15 10 5 35 -25 -11 47 35 15 2 2 2 - 16 12 5 35 - 26 -11 51 33 15 2 2 2 d) - 14 12 6 33 - 25 - 13

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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Let
6 2 8
A=
0 0 2
6 2 5
Find A-1, if it exists.
a)
A does not have an inverse.
43
37
19
2
2
2
b)
- 15
10
5
35
-25 -11
47
35
15
2
2
2
- 16
12
5
35
- 26 - 11
51
33
15
2
2
2
d)
- 14
12
6
33
- 25 - 13
43
31
13
2
2
2
- 17
13
34
- 28 -13
f) O None of the above.
3.
Transcribed Image Text:Let 6 2 8 A= 0 0 2 6 2 5 Find A-1, if it exists. a) A does not have an inverse. 43 37 19 2 2 2 b) - 15 10 5 35 -25 -11 47 35 15 2 2 2 - 16 12 5 35 - 26 - 11 51 33 15 2 2 2 d) - 14 12 6 33 - 25 - 13 43 31 13 2 2 2 - 17 13 34 - 28 -13 f) O None of the above. 3.
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