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11 Nov 2019
please help me , i have no idea how to prove this
Let A be an m times n matrix of rank r. Suppose that there exists a b epsilon Rm such that the system Ax = b has no solution. Prove or disprove that: r
please help me , i have no idea how to prove this
Let A be an m times n matrix of rank r. Suppose that there exists a b epsilon Rm such that the system Ax = b has no solution. Prove or disprove that: r