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Unformatted text preview: all T ( x )’s. EXAMPLES (1) Find an explicit description of Nul 1 3 02 0 0 0 14 0 0 0 0 0 1 (2) Why is p q r : 3 p + 2 q = 5 r a subspace and what kind of subspace is it, exactly? (3) Why is p q r : 3 p + 2 q = 5 r + 1 not a subspace? (4) For A = 1 02 0 0 14 0 0 0 0 1 , where do Nul A and Col A live? Find nonzero vectors in each. HOMEWORK: SECTION 4.2...
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 Spring '08
 PAVLOVIC
 Linear Algebra, Algebra, Vector Space, linear transformation, Col A., Nul A.

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