Mathematics, 18.11.2019 22:31, oopfloop2

(1 point) a is an n×n matrix. check the true statements below: a. a number c is an eigenvalue of a if and only if the equation (a−ci)x=0 has a nontrivial solution x. b. finding an eigenvector of a might be difficult, but checking whether a given vector is in fact an eigenvector is easy. c. a matrix a is not invertible if and only if 0 is an eigenvalue of a. d. to find the eigenvalues of a, reduce a to echelon form. e. if ax=λx for some vector x, then λ is an eigenvalue of a.

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(1 point) a is an n×n matrix. check the true statements below: a. a number c is an eigenvalue of a...