Suppose A is a 2 x 2 real matrix that has two eigenvalues A₁ and ₂, and X₁ is not equal to X₂. Matrix A is also symmetric, and an eigenvector of A corresponding to eigenvalue X₁ is v₁ = [4] If the eigenvector for eigenvalue X₂ is What does k need to be equal to? v2 =

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Suppose \( A \) is a \( 2 \times 2 \) real matrix that has two eigenvalues \( \lambda_1 \) and \( \lambda_2 \), and \( \lambda_1 \) is not equal to \( \lambda_2 \). Matrix \( A \) is also symmetric, and an eigenvector of \( A \) corresponding to eigenvalue \( \lambda_1 \) is \( v_1 = \begin{bmatrix} 5 \\ -4 \end{bmatrix} \).

If the eigenvector for eigenvalue \( \lambda_2 \) is 

\[ v_2 = \begin{bmatrix} k \\ 1 \end{bmatrix} \]

What does \( k \) need to be equal to?

[Here there would be a text box or some input field for the user to provide their answer.]
Transcribed Image Text:Suppose \( A \) is a \( 2 \times 2 \) real matrix that has two eigenvalues \( \lambda_1 \) and \( \lambda_2 \), and \( \lambda_1 \) is not equal to \( \lambda_2 \). Matrix \( A \) is also symmetric, and an eigenvector of \( A \) corresponding to eigenvalue \( \lambda_1 \) is \( v_1 = \begin{bmatrix} 5 \\ -4 \end{bmatrix} \). If the eigenvector for eigenvalue \( \lambda_2 \) is \[ v_2 = \begin{bmatrix} k \\ 1 \end{bmatrix} \] What does \( k \) need to be equal to? [Here there would be a text box or some input field for the user to provide their answer.]
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