\begin{pmatrix} 1 & 3 & 3 \ -3 & -5 & -3 \ 3 & 3 & 1 \end{pmatrix}
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To find the eigenvalues, we need to solve the characteristic equation det(A - λI) = 0, where λ is the eigenvalue and I is the identity matrix. The matrix A - λI is: A - λI = 1-λ 3 3 3 5 3 3 3 1-λ The determinant of A - λI is: det(A - λI) = Show more…
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