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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)=(λ−1)2(λ−2)p(\lambda) = (\lambda - 1)^2(\lambda - 2)p(λ)=(λ−1)2(λ−2). If the geometric multiplicity of λ=1\lambda = 1λ=1 is 1, which of the following is true?