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Unformatted text preview: x 1 v 1 + x 2 v 2 + x 3 v 3 = 3162 . b) (10 points) Is the solution you found above unique? Why or why not? Problem 3. (15 points each) Let A = 123 1 4 23 4 . a) Find A1 . b) Use A1 to ﬁnd the solution to A x = 22 Problem 4. (10 points each) a) Give an example of a 4 × 3 matrix A such that the solution set to A x = is a line. b) Give an example of a 4 × 3 matrix A such that A x = b has a unique solution for every b of the form b = b 1 b 3 b 4 and say why your example works....
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 Spring '09
 Chan
 Linear Algebra, Algebra, Matrices, Quantification, Zagreb, Zagreb bypass, All wheel drive vehicles, equation Ax

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