Question: 09 4. Let A = -5 1 2 2 0 (a) Compute A- if it exists. What is the rank of A. 81 - 12

09 4. Let A = -5 1 2 2 0 (a) Compute A- if it exists. What is the rank of A. 81 - 12 + 3x3 = (b) Use part (a) to solve the system -521 + 12 - 203 = 21 + 13 = 3

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