Question: Don't quite understand this the answer is B14 = 2 B15 = 12 For Problems B14 and B15, show that det A is equal to

Don't quite understand this the answer is B14 = 2 B15 = 12

For Problems B14 and B15, show that det A is equal to det A by expanding along the third row of A and the third column of AT. - 8 -1 3 1 2 4 2 B14 A = 5 6 4 B15 A = 0 0 -2 70 1 8 -1 - 1

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