Question: Let 0 A = 0 4 1 6 a) (3 marks) Find ) for which the matrix A is non-invertible. b)(5 marks) Find the number

Let 0 A = 0 4 1 6 a) (3 marks) Find ) for which
Let 0 A = 0 4 1 6 a) (3 marks) Find ) for which the matrix A is non-invertible. b)(5 marks) Find the number k such that k . tr(C) . A-1 = 612

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