In the columns are (1,1,2) and (1,2,3) and (1,1,2). This is a singular case because the
Chapter 1, Problem 1.2.19(choose chapter or problem)
In the columns are (1,1,2) and (1,2,3) and (1,1,2). This is a singular case because the third column is . Find two combinations of the columns that give b = (2,3,5). This is only possible for b = (4,6,c) if c = .
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