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If A=[(1, 2,-1),(-1, 1, 2),( 2,-1, 1)] ,...

If `A=[(1, 2,-1),(-1, 1, 2),( 2,-1, 1)]` , then `det(a d j\ (a d j\ A))` is `14^4` (b) `14^3` (c) `14^2` (d) 14

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