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Mathematics
Mathematics
Problem
If
A
=
[
1
−
3
2
k
]
A = \begin{bmatrix} 1 & -3 \\ 2 & k \end{bmatrix}
A
=
[
1
2
−
3
k
]
and
A
2
−
4
A
+
10
I
=
A
A^2 - 4A + 10I = A
A
2
−
4
A
+
10
I
=
A
, then (2006)
k
=
k =
k
=
(a) 0 (b) -4 (c) 4 and not 1 (d) 1 or 4
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