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If A=|{:(,5a,-b),(,3,2):}| and A adj A=A...

If `A=|{:(,5a,-b),(,3,2):}|` and A adj `A=A A^(T)`, then 5a+b is equal to

A

5

B

4

C

13

D

`-1`

Text Solution

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The correct Answer is:
A
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