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Unformatted text preview: A = 2 32 1 1 2 1 31 11 . (a) Find all the source vectors b such that the nonhomogeneous system A x = b is consistent, and write these b in parametric form. Justify your answer. (b) Find the null space of A . Justify your answer. 4. (10 point) Let W be the subspace of IR 4 of vectors of the form W = 2 x + 3 y x + 2 y + z4 z2 y , x, y, z ∈ IR . (a) Find a set of vectors in IR 4 whose span is W . Justify your answer. (b) Find a basis for W , that is, a l.i. set of vectors in W that spans W . Justify your answer....
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 Spring '03
 BUSS
 Math, Linear Algebra, Vector Motors, A. Justify, nonhomogeneous system Ax

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