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" If "3A=[[-1,2,2],[2,-1,2],[2,2,-1]]" t...

" If "3A=[[-1,2,2],[2,-1,2],[2,2,-1]]" then "------

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If A=[[-1,-2,-2],[2,1,-2],[2,-2,1]] then show that the adjoint of A is 3A^(T) .Find A^(-1)

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IF A=[{:(-1,-2,-2),(2,1,-2),(2,-2,1):}] then show that adj A=3A^T . Also find A^-1 .

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