Ononot — Let A be a 2 \times 3 matrix and B be a 3 \times 2 matrix, s

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Eigenvalues & Eigenvectorsmedium

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Let $A$ be a $2 \times 3$ matrix and $B$ be a $3 \times 2$ matrix, so that $AB$ is $2 \times 2$ and $BA$ is $3 \times 3$ . If $AB$ has eigenvalues $5$ and $2$ , what can be said about the eigenvalues of $BA$ ?