Problem No.4 show that A3 - 2A? - 9A = 0 but A? - 2A - 9I# 0 2 1 3 A= 1 -1 2 1 2 1 If

Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter10: Systems Of Equations
Section10.S: Summary
Problem 7S
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Problem No.4
If
2 1 3
show that A3 - 2A? - 9A = 0 but A? - 2A - 9I# 0
A= 1 -1 2
1 2 1
Transcribed Image Text:Problem No.4 If 2 1 3 show that A3 - 2A? - 9A = 0 but A? - 2A - 9I# 0 A= 1 -1 2 1 2 1
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