Question

Find determinant of [2 3 7/13 17 15/15 20 12]²

Answer 1

Answer:

A. -3(12 + 5) = -3(12) - (-3)(5)

B. 7(9 - 8) = 7(9) - 8

C. -2(15 - 3) = -2(15) + (-2)(3)

D. 9(-7 + 6) = 9(-7) + 9(6)