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Let AX-B be a system of 7 linear equations in 6 variables, and C its augmented matrix. If the rank of A is 4

Let AX-B be a system of 7 linear equations in 6 variables, and C its augmented matrix. If the rank of A is 4 and the rank of C is 5, then which of the following statements is true? Select one> There are no such system. The system has no solution. The system has a unique solution. The inconsistent custo

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