1.
Find
A.
B.
C.
D.
Hint
2.
A.
B.
C.
[10 37]
D.
Hint
3.
If
and
find 4
A
– 5
B
.
A.
B.
C.
D.
Hint
4.
Which of the following is true concerning matrix multiplication of three matrices
A
,
B
, and
C
?
A.
C
(
A
+
B
) =
CA
+
CB
B.
AB
=
BA
for no cases
C.
AB
=
BA
for all cases
D.
(
A
+
B
)
C
=
CA
+
CB
Hint
5.
Given that
and
use the fact that
to find
AB
+
AC
.
A.
B.
C.
D.
Hint