Question: Let A be a 4 x 5 matrix and let AE = Ehe a system of linear equations. If the rank of A. is 4.

Let A be a 4 x 5 matrix and let AE = Ehe a system of linear equations. If the rank of A. is 4. then the system Q A. has a 3parameter family of solutions. 0 B. has a 1parameter familyr of solutions. 0 C. has a 2parameter family of solutions. 0 D. has a unique solution. 0 E. has NO solution

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