If A=⎡⎣10121⎤⎦ and B=[bij] is a matrix such that An−A2+I=B – InterviewSolution

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1.	If A=⎡⎣10121⎤⎦ and B=[bij] is a matrix such that An−A2+I=B (where n∈N). If 2(b21+b22)=7 then, n is
Answer» If $A = ⎡ ⎣ \begin{matrix} 1 & 0 \frac{1}{2} & 1 \end{matrix} ⎤ ⎦$ and $B = [b_{i j}]$ is a matrix such that $A^{n} - A^{2} + I = B$ (where $n \in N$ ). If $2 (b_{21} + b_{22}) = 7$ then, $n$ is

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