Question: 1 2 Let (A 21)-1= 3 4 where / is the identity matrix,then A = Select one: . -2 1 1 - b. 0

1 2 Let (A 21)-1= 3 4 where / is the identity

1 2 Let (A 21)-1= 3 4 where / is the identity matrix,then A = Select one: . -2 1 1 - b. 0 1 3 3 2 2 . 4 -2 -3 1 d. 0 3 7 3 2 2

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