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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 (adjA)) is

A

`14^(4)`

B

`14^(3)`

C

`14^(2)`

D

14

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The correct Answer is:
A
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