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Mathematics
Problem
For the matrices
A
=
[
2
−
3
1
2
4
0
−
1
]
,
B
=
[
−
5
7
3
2
1
−
4
2
]
,
A=\begin{bmatrix}2 & -3 & \dfrac12\\ 4 & 0 & -1\end{bmatrix},\qquad B=\begin{bmatrix}-5 & 7 & \dfrac32\\ 1 & -4 & 2\end{bmatrix},
A
=
[
2
4
−
3
0
2
1
−
1
]
,
B
=
[
−
5
1
7
−
4
2
3
2
]
,
calculate: (i)
A
+
B
A+B
A
+
B
(ii)
A
−
B
A-B
A
−
B
. b. (ii)
A
−
B
A-B
A
−
B
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