What is the definition of the eigenvalues λλ of a matrix AA? (II refers to the identity matrix.)   1.The roots of det(λA+I)   2.The roots of det(A−λI)   3.The roots of det(λA−I)   4.The roots of det(A+λI)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.6: The Algebra Of Matrices
Problem 13E
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What is the definition of the eigenvalues λλ of a matrix AA? (II refers to the identity matrix.)

 
1.The roots of det(λA+I)
 
2.The roots of det(A−λI)
 
3.The roots of det(λA−I)
 
4.The roots of det(A+λI)
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