Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Homework 11: Question 8

Please help with part 2

Consider this system of equations:
2x1 + x2 + x3 + 0x4
3x₁ + x2 + x3 + x4 = 4
x₁ + 2x2 + 2x3 + 3x4
3
4x1 + 5x2 - 2x3 + x4 = 86
=
2 1 1
03
3 1 1 14
122
3 3
4 5 2 1 86
3
=
Part 1 of 4
A. Write the corresponding augmented coefficient matrix.
To enter your answers, click in the answer box. Then choose the "Matrix" tab and select the correct
matrix size. Add and/or delete column(s) and/or rows if needed.
Part 2 of 4
B. Use elementary row operations to write the augmented coefficient matrix in reduced row echelon
form.
To enter your answers, click in the answer box. Then choose the "Matrix" tab and select the correct
matrix size. Add and/or delete column(s) and/or rows if needed.
expand button
Transcribed Image Text:Consider this system of equations: 2x1 + x2 + x3 + 0x4 3x₁ + x2 + x3 + x4 = 4 x₁ + 2x2 + 2x3 + 3x4 3 4x1 + 5x2 - 2x3 + x4 = 86 = 2 1 1 03 3 1 1 14 122 3 3 4 5 2 1 86 3 = Part 1 of 4 A. Write the corresponding augmented coefficient matrix. To enter your answers, click in the answer box. Then choose the "Matrix" tab and select the correct matrix size. Add and/or delete column(s) and/or rows if needed. Part 2 of 4 B. Use elementary row operations to write the augmented coefficient matrix in reduced row echelon form. To enter your answers, click in the answer box. Then choose the "Matrix" tab and select the correct matrix size. Add and/or delete column(s) and/or rows if needed.
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