3 If A = 1] show that A² - 5A + 7I = 0. %3D %3D -1 2

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter5: Polynomial And Rational Functions
Section: Chapter Questions
Problem 27PT: Find the unknown value. 27. y varies jointly with x and the cube root of 2. If when x=2 and...
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3 17
If A =||
-1 2
show that A² - 5A + 7I = 0.
%3D
Transcribed Image Text:3 17 If A =|| -1 2 show that A² - 5A + 7I = 0. %3D
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