Supppose A is an invertible n x n matrix and v is an eigenvector of A with associated eigenvalue 8. Convince yourself that is an eigenvector of the following matrices, and find the associated eigenvalues. a. The matrix A¹ has an eigenvalue ☐. b. The matrix A-¹ has an eigenvalue ☐. c. The matrix A + 81 has an eigenvalue ☐. d. The matrix 2A has an eigenvalue ☐.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
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Chapter5: Orthogonality
Section5.4: Orthogonal Diagonalization Of Symmetric Matrices
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Supppose A is an invertible n x n matrix and v is an eigenvector of A with associated eigenvalue 8. Convince yourself that is an eigenvector of the
following matrices, and find the associated eigenvalues.
a. The matrix A¹ has an eigenvalue ☐.
b. The matrix A-¹ has an eigenvalue ☐.
c. The matrix A + 81 has an eigenvalue ☐.
d. The matrix 2A has an eigenvalue ☐.
Transcribed Image Text:Supppose A is an invertible n x n matrix and v is an eigenvector of A with associated eigenvalue 8. Convince yourself that is an eigenvector of the following matrices, and find the associated eigenvalues. a. The matrix A¹ has an eigenvalue ☐. b. The matrix A-¹ has an eigenvalue ☐. c. The matrix A + 81 has an eigenvalue ☐. d. The matrix 2A has an eigenvalue ☐.
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