1.
Find
A.
B.
C.
D.
Hint
2.
A.
B.
C.
D.
[10 37]
Hint
3.
If
and
find 3
A
+ 2
B
.
A.
B.
C.
D.
Hint
4.
State whether the product of
A
3 × 4
and
B
3 × 4
is defined, and if it is defined, state the dimensions.
A.
defined, 4 × 3
B.
defined, 9 × 16
C.
undefined
D.
defined, 3 × 4
Hint
5.
Given that
and
use the fact that
to find
AB
+
AC
.
A.
B.
C.
D.
Hint