Let Ax = b be a linear system whose augmented matrix (A

Chapter 1, Problem 13

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Let Ax = b be a linear system whose augmented matrix (A|b) has reduced row echelon form 1 2 0 3 1 2 0 0 1 2 4 5 0 0 0 0 0 0 0 0 0 0 0 0 (a) Find all solutions to the system. (b) If a1 = 1 1 3 4 and a3 = 2 1 1 3 determine b. 1

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