Question: None matrix can be written in the form A = vw. ( 1.8.16. (a) Let A be an m x n matrix and let M

None matrix can be written in the form A = vw. ( 1.8.16. (a) Let A be an m x n matrix and let M = (A | b ) be the augmented matrix for the linear system Ax = b. Show that either (f) rank A = rank M, or (if) rank A = rank M - 1. (b) Prove that the system is compatible if and only if case (i) holds

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