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Problem
Problem
Determine the matrix
A
A
A
, when
A
=
[
1
2
3
−
1
−
2
−
3
4
2
6
]
+
[
5
4
1
2
3
2
3
8
2
]
A = \begin{bmatrix} 1 & 2 & 3 \\ -1 & -2 & -3 \\ 4 & 2 & 6 \end{bmatrix} + \begin{bmatrix} 5 & 4 & 1 \\ 2 & 3 & 2 \\ 3 & 8 & 2 \end{bmatrix}
A
=
1
−
1
4
2
−
2
2
3
−
3
6
+
5
2
3
4
3
8
1
2
2
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