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Mathematics
Mathematics
Problem
Find
A
2
−
5
A
+
6
I
A^2 - 5A + 6I
A
2
−
5
A
+
6
I
if
A
=
[
2
0
1
2
1
3
1
−
1
0
]
A = \begin{bmatrix} 2 & 0 & 1 \\ 2 & 1 & 3 \\ 1 & -1 & 0 \end{bmatrix}
A
=
2
2
1
0
1
−
1
1
3
0
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