Appendix 8 Answers and Comments for End‐of‐Chapter Problems
E. Joseph Billo · 2006
c) Inverse: (d) Inverse: det = -360 det = 4 det = 0.25 det = -1 2. (a) det = 0.If A is a square matrix and two of its rows are proportional or two of its columns are proportional, the determinant is zero.(b) det = 1.55431E-15(c) det =