(17) Let 0 A = 1 0-2) 2 1 1 0 3 (a) Determine the characteristic polynomial of A, the eigenvalues of A and their algebraic multi- plicities (b) Find bases for the eigenspaces of A. Determine the geometric multiplicities of each eigenvalue. (c) Is A diagonalizable. Justify your reason. (d) If A diagonalizable, write down an invertible matrix P and a diagonal matrix D such that A = PDP-¹. Otherwise explain why A is not diagonalizable.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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(17) Let
0 0 -2
A = 1 2 1
10 3,
(a) Determine the characteristic polynomial of A, the eigenvalues of A and their algebraic multi-
plicities
(b) Find bases for the eigenspaces of A. Determine the geometric multiplicities of each eigenvalue.
(c) Is A diagonalizable. Justify your reason.
(d) If A diagonalizable, write down an invertible matrix P and a diagonal matrix D such that
A = PDP-¹. Otherwise explain why A is not diagonalizable.
Transcribed Image Text:(17) Let 0 0 -2 A = 1 2 1 10 3, (a) Determine the characteristic polynomial of A, the eigenvalues of A and their algebraic multi- plicities (b) Find bases for the eigenspaces of A. Determine the geometric multiplicities of each eigenvalue. (c) Is A diagonalizable. Justify your reason. (d) If A diagonalizable, write down an invertible matrix P and a diagonal matrix D such that A = PDP-¹. Otherwise explain why A is not diagonalizable.
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