-2 -4
2
2
3
-5
If A -
5
1
5
and B-
5
-4
2
find BA
-1
- 3
-4
-1
-1
3
a.
C.
17
10
39
16
9
39
-32 -30 -18
-32 -30 -17
-6
-7
-19
-6
-6
-19
b.
d.
16
10
39
16
10
39
-32-29
-18
-32 -30 -18
-7
-6
-19
-6
-6
-19
