| 6.7 Inverse of a Matrix (Gauss-Jordan Elimination) |
Exercises - 1, 2, 3, 5, 9
Inverse.
Calculate the inverse by the Gauss-Jordan elimination or state that it does not exist. Check by using (1). (Show the details of your work.)
| 1. | ![]() |
2. | ![]() |
| 3. | ![]() |
5. | ![]() |
| 9. | ![]() |