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" 9.If "A=[[1,2,3],[-1,1,2],[1,2,4]]" th...

" 9.If "A=[[1,2,3],[-1,1,2],[1,2,4]]" then "(A^(2)-5A)A^(-1)=

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If A=[[0,1,3],[1,2,x],[2,3,1]] and A^(-1)=[[(1)/(2),-4,(5)/(2)],[-(1)/(2),3,-(3)/(2)],[(1)/(2),y,(1)/(2)]] . Find x,y

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