Question: (a) A = = Compute determinants using the cofactor formula. 40-7 3 6 3 2 40 00 2 0 9 0 -4 1 0

(a) A = = Compute determinants using the cofactor formula. 40-7 3

(a) A = = Compute determinants using the cofactor formula. 40-7 3 6 3 2 40 00 2 0 9 0 -4 1 0 73-6 4 8 6 7 1 50 5 2 -3 00 009 -1 2 20 0 -8 (b) B = 200 2 4 3

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