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A = {:[(1,2),(3,4)]:} and A (adj A) = kI...

`A = {:[(1,2),(3,4)]:}` and `A (adj A) = kI`, then the value of 'k' is

A

`2`

B

`-2`

C

`10`

D

`-10`.

Text Solution

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The correct Answer is:
B
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