Use the following matrices, and evaluate , if possible

Use the following matrices, and evaluate , if possible

E=[-4 1
-2 2]

F=[1 0
4 -3
-2 6
-1 5]

G=[-4 0 3 5
1 -2 0 0]

H=[1 -2 -1 3
2 0 4 -1
3 5 -2 2
1 -1 0 0]

1. EG
2. HF
3. FG
4. E^2
Use the following matrices, and evaluate , if possible