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Unformatted text preview: ASE 211 Homework 3 1. Solve problems P3.8 and P3.30 in the book by hand. Show all of your work. For problem P3.8, the augmented matrix is 4 12 8 4  4 1 7 18 9  5 2 9 20 20   25 3 11 15 14   18 . Multiplying row 1 by 1/4 we get, 1 3 2 1  1 1 7 18 9  5 2 9 20 20   25 3 11 15 14   18 . Multiplying row 1 by 1 and subtracting row 1 from row 2, and then multiplying row 1 by 2 and subtracting row 1 from row 3 and also multiplying row 1 by 3 and subtracting from row 4 we get, 1 3 2 1  1 0 4 16 8  4 0 3 16 18   23 0 2 9 11   15 . Multiplying row 2 by 1/4 we get, 1 3 2 1  1 0 1 8 2  1 0 3 16 18   23 0 2 9 11   15 . Multiplying row 2 by 3 and then substracting row 2 from row 3 and again, multiplying row 2 by 2 and subtracting row 2 from row 4 we get, 1 3 2 1  1 0 1 4 2  1 0 0 4 12  ...
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This note was uploaded on 03/20/2008 for the course ASE 211 taught by Professor N/a during the Spring '08 term at University of Texas.
 Spring '08
 N/A

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