If \[A=\left[ \begin{matrix} 1 & 0 \\ -1 & 7 \\ \end{matrix} \right]\] and \[I=\left[ \begin{matrix} 1 & 0 \\ 0 & 1 \\ \end{matrix} \right]\], then the value of k so that \[{{A}^{2}}=8A+kI\] is

If \[A=\left[ \begin{matrix} 1 & 0 \\ -1 & 7 \\ \end{matrix} \right]

1.	If \[A=\left[ \begin{matrix} 1 & 0 \\ -1 & 7 \\ \end{matrix} \right]\] and \[I=\left[ \begin{matrix} 1 & 0 \\ 0 & 1 \\ \end{matrix} \right]\], then the value of k so that \[{{A}^{2}}=8A+kI\] is
A.	\[k=7\]
B.	\[k=-7\]
C.	\[k=0\]
D.	None of these
Answer» C. \[k=0\]

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If \[A=\left[ \begin{matrix} 1 & 0 \\ -1 & 7 \\ \end{matrix} \right]\] and \[I=\left[ \begin{matrix} 1 & 0 \\ 0 & 1 \\ \end{matrix} \right]\], then the value of k so that \[{{A}^{2}}=8A+kI\] is

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