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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

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

Elementary Algebra
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter7: Factoring
Section7.6: Quadratic Equations
Problem 7.149TI: Solve: 6a2+9a=3a .
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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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