26 through 30 deal with the problem of solving Ax = b when detA = 0. Suppose that detA =
Chapter 7, Problem 28(choose chapter or problem)
26 through 30 deal with the problem of solving Ax = b when detA = 0. Suppose that detA = 0 and that Ax = b has solutions. Show that (b, y) = 0, where y is anysolution of Ay = 0.Verify that this statement is true for the set of equations in Example 2.Hint: Use the result of 26(b).
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