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

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

A

`14^(1)`

B

`14^(2)`

C

`14^(3)`

D

`14^(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
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