Solved: Let A be an m × n matrix. Prove that every vector
Chapter 6, Problem 23E(choose chapter or problem)
Problem 23E
Let A be an m × n matrix. Prove that every vector x in Rn can be written in the form x = p + u, where p is in Row A and u is in Nul A. Also, show that if the equation Ax = b is consistent, then there is a unique p in Row A such that Ap = b.
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