Add:
[
−
7
4
−
8
−
6
−
5
1
6
7
]
+
[
−
8
6
1
2
−
3
6
−
6
0
]
\displaystyle {\left[\begin{array}{cccc} -{7}&{4}&-{8}&-{6}\\-{5}&{1}&{6}&{7}\end{array}\right]}+{\left[\begin{array}{cccc} -{8}&{6}&{1}&{2}\\-{3}&{6}&-{6}&{0}\end{array}\right]}
[
−
7
−
5
4
1
−
8
6
−
6
7
]
+
[
−
8
−
3
6
6
1
−
6
2
0
]
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Question 6
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Enter each element of the matrix as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)