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August 28th, 2017, 08:22 AM   #1
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Problem33

I don't quite understand bases in this question, since we expect column space to have 1 dimension and if it has 2 dimension, then there wouldnt be any N(A). Looking at explanation, I don't understand why dimensions should add up to 4? n=m=2 and we expect it to add up to 2. Would anyone please explain what's going on in this question?
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August 28th, 2017, 09:20 AM   #2
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The attachment is very difficult to read.

Is the problem the same as problem 33 in this document?
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