Preview question: Inverse matrix 3

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Question summary: Given the following inverse matrices, associate them with its respective matrix. [IM1 equals # CI] , [IM2 equals # AI] , [IM3 equals # BI] {[[1,0,0],[9,1,0],[-7,9,1]]; [[1,0,0],[9,1,0],[7,-9,1]]; [[1,0,0],[-9,1,0],[-7,-9,1]]} -> {IM1; IM3; IM2}

Right answer summary: [[1,0,0],[9,1,0],[-7,9,1]] -> IM3; [[1,0,0],[9,1,0],[7,-9,1]] -> IM1; [[1,0,0],[-9,1,0],[-7,-9,1]] -> IM2

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$open parentheses table row 1 0 0 row 9 1 0 row cell negative 7 end cell 9 1 end table close parentheses$	Answer 1
$open parentheses table row 1 0 0 row 9 1 0 row 7 cell negative 9 end cell 1 end table close parentheses$	Answer 2
$open parentheses table row 1 0 0 row cell negative 9 end cell 1 0 row cell negative 7 end cell cell negative 9 end cell 1 end table close parentheses$	Answer 3

Preview question: Inverse matrix 3

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