Full solution: In Exercises 1928, find A-1 by forming [AI] and then usingrow operations
Chapter 6, Problem 27(choose chapter or problem)
In Exercises 1928, find A-1 by forming [AI] and then usingrow operations to obtain [I B], where A-1 = [B]. Check thatAA-1 = I and A-1A = I.A = D1 0 0 00 -1 0 00 0 3 01 0 0 1T
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