InterviewSolution
 Saved Bookmarks
    				| 1. | 
                                    Find the inverse of each of the matrices given below : If `A=[(3,2),(2,1)]`, verify that `A^(2)-4A-I=O, and "hence " "find "A^(-1)`. | 
                            
| Answer» Correct Answer - `[(-1,2),(2,-3)]` | |