assign3.sol - ASE 211 Homework 3 1. Solve problems P3.8 and...

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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.

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assign3.sol - ASE 211 Homework 3 1. Solve problems P3.8 and...

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