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3. Let La A = 1 - 2 5 -3 2 5 0 -12-2 . L (a) (8 points) It turns out that the matrix equation Ax = b is consistent only for a
(b) (8 points) The set of all vectors satisfying the equation found in part (a) equals Span {W1, w2} Find wį and w2.
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Answer #1

= b] = 1 - 2 5 -3 5 12 2 0 -2 bi be / bz R2 +2R, 1 -3 2 (R2 R3 R3 -5RI) bi b2+2bi I bz-sbi 0 3 -12 (83+ R3+3R2) Ti lo To - 3

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