SHORT ANSWER Type II QuestionsIf \( A=\left[\begin{array}{rr}1 & 0 \\ -1 & 7\end{array}\right] \...

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SHORT ANSWER Type II QuestionsIf \( A=\left[\begin{array}{rr}1 & 0 \\ -1 & 7\end{array}\right] \), then find \( k \) such that \( A^{2}-8 A+k I=0 \)
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