Question: In Problems 922, use the method of Example 7 to find the inverse A -1 of each given matrix A. 2 1 1 0-1 0

In Problems 9–22, use the method of Example 7 to find the inverse A-1 of each given matrix A.

2 1 1 0-1 0 3 1 1

2 1 1 0-1 0 3 1 1

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2 0 10 1 1 R3R1 R3R1 1 1 0 0 3 010 1 00 1 thus ... View full answer

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