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Eigenvalues & Eigenvectorsmedium
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Let AAA be a 3×33 \times 33×3 matrix with characteristic polynomial p(λ)=−λ3+6λ2−11λ+6p(\lambda) = -\lambda^3 + 6\lambda^2 - 11\lambda + 6p(λ)=−λ3+6λ2−11λ+6. What is the trace of AAA?