Answer :

We have,


We have to find A-1 and


Firstly, we find |A|


Expanding |A| along C1, we get




= 2(0 – (-6)) – 3(0 – 6) + 2(1 – 0)


= 2(6) – 3(-6) + 2(1)


= 12 + 18 + 2


= 32


Now, we have to find adj A, and for that, we have to find co-factors:













Ans.


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