Give two more right-hand sides in addition to b = (2,5,7) for which equation (4) can be
Chapter 1, Problem 1.2.7(choose chapter or problem)
Give two more right-hand sides in addition to b = (2,5,7) for which equation (4) can be solved. Give two more right-hand sides in addition to b = (2,5,6) for which it cannot be solved.
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