0 0 0 a 0 о0 а A = a 0 0

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Prove that the symmetric matrix is diagonalizable. (Assume that a is real.)

a. Find the eigenvalues of A. (Enter your answers as a comma-separated list. Do not list the same eigenvalue multiple times.)

b. Find an invertible matrix P such that P−1AP is diagonal.

The image shows a 3x3 matrix labeled as \( A \) with the following elements:

\[
A = \begin{bmatrix}
0 & 0 & a \\
0 & a & 0 \\
a & 0 & 0
\end{bmatrix}
\]

Explanation:
- The matrix \( A \) has elements arranged in three rows and three columns.
- In the first row, the elements are: 0, 0, \( a \).
- In the second row, the elements are: 0, \( a \), 0.
- In the third row, the elements are: \( a \), 0, 0.

This type of matrix is often used in linear algebra and can represent various transformations or systems depending on the context.
Transcribed Image Text:The image shows a 3x3 matrix labeled as \( A \) with the following elements: \[ A = \begin{bmatrix} 0 & 0 & a \\ 0 & a & 0 \\ a & 0 & 0 \end{bmatrix} \] Explanation: - The matrix \( A \) has elements arranged in three rows and three columns. - In the first row, the elements are: 0, 0, \( a \). - In the second row, the elements are: 0, \( a \), 0. - In the third row, the elements are: \( a \), 0, 0. This type of matrix is often used in linear algebra and can represent various transformations or systems depending on the context.
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