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Mathematics
Mathematics
Problem
Let
A
=
(
1
2
0
1
)
A=\begin{pmatrix}1&2\\0&1\end{pmatrix}
A
=
(
1
0
2
1
)
and
B
=
(
3
0
1
4
)
B=\begin{pmatrix}3&0\\1&4\end{pmatrix}
B
=
(
3
1
0
4
)
. a. (i) Find
A
B
AB
A
B
. b. (ii) Find
B
A
BA
B
A
. c. (iii) State whether
A
B
=
B
A
AB=BA
A
B
=
B
A
.
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