If A = [ {:( 2-k, 2), ( 1, 3-k):}] is a ...

If `A = [ {:( 2-k, 2), ( 1, 3-k):}]` is a singular matrix, then the value of `5k - k ^(2)` is equal to

A

0

B

6

C

`-6`

D

`4`

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The correct Answer is:

D

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