Let A be a 3 x 3 matrix: A = a11 a12 a13 a21 a22 a23 a31 a32 a33 The entries a, i, j = 1,2, 3 are numbers. Let A be an eigenvalue of A. For i, j = 1, 2, 3, denote by Mij the (i, j)-minor of A-XI, where I is the 3 x 3 identity matrix. Show that the following vector -det (M₂1) det (M22) -det (M23) is an eigenvector of A with eigenvalue A. Show your work in details.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Linear algebra: please provide me accurate and in detaills solution don't send me previous posted answer 

Let A be a 3 x 3 matrix:
A =
a11
a12 a13
a21 a22 a23
a31 a32 a33
The entries aij, i, j = 1, 2, 3 are numbers.
Let A be an eigenvalue of A. For i, j = 1, 2, 3, denote by Mij the (i, j)-minor of A-XI,
where I is the 3 x 3 identity matrix.
Show that the following vector
- det (M₂1)
det (M22)
-det (M23)
is an eigenvector of A with eigenvalue X. Show your work in details.
Transcribed Image Text:Let A be a 3 x 3 matrix: A = a11 a12 a13 a21 a22 a23 a31 a32 a33 The entries aij, i, j = 1, 2, 3 are numbers. Let A be an eigenvalue of A. For i, j = 1, 2, 3, denote by Mij the (i, j)-minor of A-XI, where I is the 3 x 3 identity matrix. Show that the following vector - det (M₂1) det (M22) -det (M23) is an eigenvector of A with eigenvalue X. Show your work in details.
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