-2
-4
2
3
-5
If A =
5 and B = 5 -4
1-1 -1
2 , find BA.
3
-1
-3
-4
17
-32
-6
10
-30
-7
39
-18
-19
16 9 39
-32 -30 -17
(-6 -6 -19 )
16
10
-29
-6
39
-18
-32
-7
( 16 10 39 )
| -32 -30 -18
| -6 -6 -19
-19