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Assume that M is a 4 x 4 matrix with the eigenvalues 5, 4, 4, 2. Decide if the following statements are true or false. Type 1 if true, 0 if false and 0.5 if there is not enough information to make a conclusion. . det (M) = 160 Answer. . Tr(M) = 160 Answer. . M has full rank Answer. . M is invertible