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Mathematics
Mathematics
Problem
Let
A
=
[
1
2
0
1
]
A=\begin{bmatrix}1&2\\0&1\end{bmatrix}
A
=
[
1
0
2
1
]
,
B
=
[
3
−
1
1
0
]
B=\begin{bmatrix}3&-1\\1&0\end{bmatrix}
B
=
[
3
1
−
1
0
]
and
C
=
[
2
1
1
2
]
C=\begin{bmatrix}2&1\\1&2\end{bmatrix}
C
=
[
2
1
1
2
]
. Calculate
(
A
+
B
)
C
(A+B)C
(
A
+
B
)
C
. a)
[
9
3
6
3
]
\begin{bmatrix}9&3\\6&3\end{bmatrix}
[
9
6
3
3
]
b)
[
9
6
6
3
]
\begin{bmatrix}9&6\\6&3\end{bmatrix}
[
9
6
6
3
]
c)
[
9
6
3
3
]
\begin{bmatrix}9&6\\3&3\end{bmatrix}
[
9
3
6
3
]
d)
[
6
9
3
3
]
\begin{bmatrix}6&9\\3&3\end{bmatrix}
[
6
3
9
3
]
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