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If A=[(4,-5,-2),(5,-4,2),(2,2,8)], then ...

If `A=[(4,-5,-2),(5,-4,2),(2,2,8)], then A(adj A)` equals (A) `[(36,-36, 18),(36,36,-18),(18,-18,9)]` (B) `[(-36,36, 18),(-36,36,-18),(-18,18,9)]` (C) `[(0,0, 0),(0,0,0),(0,-0,0)]` (D) none of these

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[(-72)-:(-12)]-:[36-:18]