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

If `A=[(1,2,-1),(-1,1,2),(2,-1,1)]`, then det (adj (A)) is

A

`(14)^(2)`

B

`(13)^(2)`

C

`(14)^(3)`

D

`(13)^(3)`

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A
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