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Question: to show left null space and column space are orthogonal

Question:to show left null space and column space are orthogonal

GPY 80 Maple
February 23 2015
0

I have a matrix A for which the basis of the left null space using NullSpace() is the empty set {}  while the column space is {e1,e2,e3}. By definition, we need every vector in col space . every vector in basis of left null space =0 but how would I show that in this case? Can I determine another basis for the left null space?
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