22. a. If A is 3 x 3, with columns a1, a2, and a3, then det A equals the volume of the parallelepiped determined by a₁, a2 and a3. b. det AT = (-1) det A. equation c. The multiplicity of a root r of the characteristic of A is called the algebraic multiplicity of r as an eigen- value of A. d. A row replacement operation on A does not change the eigenvalues.
22. a. If A is 3 x 3, with columns a1, a2, and a3, then det A equals the volume of the parallelepiped determined by a₁, a2 and a3. b. det AT = (-1) det A. equation c. The multiplicity of a root r of the characteristic of A is called the algebraic multiplicity of r as an eigen- value of A. d. A row replacement operation on A does not change the eigenvalues.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.1: Introduction To Eigenvalues And Eigenvectors
Problem 35EQ
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