Find each determinant below. Is the associated matrix nonsingular and does its inverse exist? 1 2 31 |1 1 4 11 4 18 a) |A| = 4 16 la e) |E| = |b = 16 1 31 0 1 b) |B| = 4 0 31 13 b cl |x C a f) |F|= 3 a bl 19 14 7 5 c) |C| = 6 6 91 18 5 01 y 2 81 -1 0 21 0 3 d) ID=8 2 31 lo 1272/1 -2