If A=⎡⎢⎣a2−1−1122−11⎤⎥⎦, where (a≠113) and det.(a – InterviewSolution

1.	If A=⎡⎢⎣a2−1−1122−11⎤⎥⎦, where (a≠113) and det.(adj(adjA)) =(23)4, then the value of a is
Answer» If $A = ⎡ ⎢ ⎣ \begin{matrix} a & 2 & - 1 - 1 & 1 & 2 2 & - 1 & 1 \end{matrix} ⎤ ⎥ ⎦$ , $where (a \neq \frac{11}{3})$ and $d e t . (adj(adj A)) = (23)^{4},$ then the value of $a$ is

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