Eigenvalues and eigenvectors: Eigenvalues and eigenvectors
Eigenvalues and eigenvectors of a matrix
Show that \(\lambda=-4\) is an eigenvalue of the matrix \[A=\matrix{-18 & -21 \\ 14 & 17}\] and find an eigenvector, or rather describe the eigenspace through spanning vectors.
| An eigenvector corresponding to the eigenvalue \(-4 ={}\) |
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