If A=[3−24−2]andI=[1100], then find k so that A2=kA−2I. – InterviewSolution

1.	If A=[3−24−2]andI=[1100], then find k so that A2=kA−2I.
Answer» If $A = [\begin{matrix} 3 & - 2 4 & - 2 \end{matrix}] a n d I = [\begin{matrix} 1 & 1 0 & 0 \end{matrix}]$ , then find k so that $A^{2} = k A - 2 I .$

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