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If A=[{:(,1,2),(,2,1):}] then adj A=...

If `A=[{:(,1,2),(,2,1):}]` then adj A=

A

`[{:(,1,-2),(,-2,1):}]`

B

`[{:(,2,1),(,1,1):}]`

C

`[{:(,1,-2),(,-2,-1):}]`

D

`[{:(,-1,2),(,2,-1):}]`

Text Solution

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The correct Answer is:
A
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