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(4 MARKS) Let = 2 be an eigenvalue of an n x n matrix A. Which of the following is correct? (a) 21 A0

(4 MARKS) Let = 2 be an eigenvalue of an n x n matrix A. Which of the following is correct? (a) 21 A0 (b) 21 - A is invertible; (c) The rank of 21 - A is strictly less than n; (e) None of these (d) The eigenvector of A corresponding to = 2 is zero.

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