If A = 1
a.
-2 6 1
b.
-5
9 -6 and B= -2 -7
1
10
-99-9
-22 30 32
-16 -78 48
42 24 30
-32 72 30
-2
26 -20
-50
94 -58
9 6
4
-1
Ń
find-4A + 6B.
C.
d.
38
8
30
-78
-40
6 0
42
58
-96
8 0 -18
14
82 -52