Equations & Systemshard
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A system of 4 linear equations in 3 unknowns has coefficient matrix with rank 2. For the system to be consistent (have at least one solution), what must be true about the rank of the augmented matrix?
A system of 4 linear equations in 3 unknowns has coefficient matrix with rank 2. For the system to be consistent (have at least one solution), what must be true about the rank of the augmented matrix?