If A = [{:(3," "1,-1),(2,-2," "0),(1," "...

If A = `[{:(3," "1,-1),(2,-2," "0),(1," "2,-1):}] "and"" "A^(-1)=[(a_(11),a_(12),a_(13)),(a_(21),a_(22),a_(23)),(a_(31),a_(32),a_(33))]` then the value of `a_(23)` is

`-2`

`-3`

`-1`

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If A = [(2,0),(1,5)]" and B"=[(1,4),(2,0)] then |adj(AB)|=
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