Question: Let A be an REF matrix of the augmented matrix for a system of linear equations. If the system has three variables and A has

Let A be an REF matrix of the augmented matrix for a system of linear equations. If the system has three variables and A has three non-zero rows, then the system can have infinitely many solutions. True False

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Let A be an REF matrix of the augmented matrix for a system of linear equations. If the system has three variables and A has three non-zero rows then the system has at least one solution. True False

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