Seventeenth homework assignment (Mar 23) page 320 #9, 10, 11, 12 (FINDING INVERSES) Exercise 1. Compute the determinants of the following matrices. \u0012 \u0013 2 3 : (a) 1 4 \u0012 \u0013 i 6 : (b) 4+i 2i 2 1 4 : (c)6 1 4 2 3 5 6 0 7 : (d) 3 2 9 1 3 5 2+i 4 3i 5 2i 2 + i : (e) 6 8i 7 1+i 2 1 4 9 11 0 2 3 3 8 0 0 4 1 2 : (f) 0 0 0 3 9 0 0 0 0 1 \u0012 \u0013 2 8 : (g) 7 1 2 0 5 4 : (h) 6 2 1 3 Exercise 2. For which are the determinants of the following matrices equal to zero.. \u0012 \u0013 6 5 : (a) 2 1 \u0012 \u0013 2 2 : (b) 1 3 0 6 1 0 : (c) 0 2 0 4 2 1 4 9 11 0 2 3 3 8 0 4 1 2 : (d) 0 0 0 0 3 9 0 0 0 0 1 1