3. Consider that matrix 1 2 -1 A = | 2 4 -2 3 6 -3 (a) Find the eigenvalues of A. Also find the corresponding eigenspaces and their dimensions. (b) Explain why A is diagonalizable. Calculate A2021. (c) Your friend claims "I think if P diagonalizes A, then P diagonalizes every integral power of A." Is his statement correct? If not, under what condition(s) the statement holds true? Can you prove it in general?
3. Consider that matrix 1 2 -1 A = | 2 4 -2 3 6 -3 (a) Find the eigenvalues of A. Also find the corresponding eigenspaces and their dimensions. (b) Explain why A is diagonalizable. Calculate A2021. (c) Your friend claims "I think if P diagonalizes A, then P diagonalizes every integral power of A." Is his statement correct? If not, under what condition(s) the statement holds true? Can you prove it in general?
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 16EQ
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