uppose that 4 × 4 real matrix A has four eigenvalues 1, 2 and 1±i, which ne is wrong? Here I is a 4 × 4 identity matrix. Answer: The power method for matrix A is used to find the eigenvaule 2. . The inverse power method for matrix A is used to find the eigenvaule 1. The power method for matrix (A–0.51) is used to find the eigenvaule 2. . The inverse power method for matrix (A-0.5I) is used to find the eigenvaule

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