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

If `A=[[-1, -2, -2], [2, 1, -2], [2, -2, 1]] and kA'=adjA,` then k=

A

`2`

B

`3`

C

`-2`

D

`-3`

Text Solution

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The correct Answer is:
B
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