3. Let A be an m x n matrix and be Rm. Given that Ax = b has two distinct solutions u and v. Explain why Ar= b has infinitely many solutions.

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A: 1) Given  f(x) = 2x - 3 g(x) = -4x2 + 9   f(x)*g(x)  = (2x - 3)*(-4x2 + 9)  = 2x*(-4x2 + 9) -3*(-4x2…

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