1. For the given matrices A find A-¹ if it exists and verify that AA-¹ = A-¹A=I. If A-¹ does not exist explain why. (a) A = (b) A = (c) A = = 1 3 (2³) 1 -3 6 8 -4 (1 0 -3 - 0 (d) A = - (19)
1. For the given matrices A find A-¹ if it exists and verify that AA-¹ = A-¹A=I. If A-¹ does not exist explain why. (a) A = (b) A = (c) A = = 1 3 (2³) 1 -3 6 8 -4 (1 0 -3 - 0 (d) A = - (19)
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:1.
For the given matrices A find A-¹ if it exists and verify that AA-¹ =
A-¹A=I. If A-¹ does not exist explain why.
(a) A =
(b) A =
(c) A =
=
1 3
(2³)
1
-3
6
8 -4
(1
0
-3
-
0
(d) A = - (19)
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