Predict in advance, and confirm by elimination, the pivot entries of A = 2 1 2 4 5 0 2 7
Chapter 4, Problem 4.4.7(choose chapter or problem)
Predict in advance, and confirm by elimination, the pivot entries of A = 2 1 2 4 5 0 2 7 0 and B = 2 1 2 4 5 3 2 7 0
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