1.

Compute the adjoint of each of the following matrices:(i) 122212221(ii) 125231-111(iii) 2-1342504-1(iv) 20-1510113Verify that (adj A) A = |A| I = A (adj A) for the above matrices.

Answer» Compute the adjoint of each of the following matrices:



(i) 122212221



(ii) 125231-111



(iii) 2-1342504-1



(iv) 20-1510113



Verify that (adj A) A = |A| I = A (adj A) for the above matrices.


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