Ononot — Let p(\lambda) = \lambda^2 - 4\lambda + 3 and A be a 3 \time

Eigenvalues & Eigenvectorsmedium

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Let $p(\lambda) = \lambda^2 - 4\lambda + 3$ and $A$ be a $3 \times 3$ matrix with eigenvalues $1, 2, 3$ . What are the eigenvalues of the matrix $p(A) = A^2 - 4A + 3I$ ?