Find d:
d=| 5 1 |
|-1 10 |
D= 51
[2 4 ]
[-3 9]
the determinant of the above matrix: 30
![Find d d 5 1 1 10 D 51 2 4 3 9 the determinant of the above matrix 30 class=](https://us-static.z-dn.net/files/d3b/6c836a37533fab916199db50275c0c81.png)