Find adjoint of the matrix\left[ \begin{array}{lll}{1} & {2} & {1} \\ – InterviewSolution

1.	Find adjoint of the matrix\left[ \begin{array}{lll}{1} & {2} & {1} \\ {3} & {2} & {2} \\ {1} & {1} & {2}\end{array}\right]
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