Ononot — Let A be an n \times n matrix with eigenvalues 3, -2, 5. If

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Eigenvalues & Eigenvectorsmedium

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Let $A$ be an $n \times n$ matrix with eigenvalues $3, -2, 5$ . If $B = A + 4I$ (where $I$ is the identity matrix), what are the eigenvalues of $B$ ?