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" If "A=[[1,3,2],[2,0,-1],[1,2,3]]," the...

" If "A=[[1,3,2],[2,0,-1],[1,2,3]]," then show that "A^(3)-4A^(2)-3A+11=0." Hence find "A^(-1)

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A={:[( 1,1,1),(1,2,-3),(2,-1,3)]:} Show that A^(3) - 6A^(2) +5A +11 I =O. Hence , find A^(-1)

A={:[( 1,1,1),(1,2,-3),(2,-1,3)]:} Show that A^(3) - 6A^(2) +5A +11 I =O. Hence , find A^(-1)