17. x1 - - 5x3 + 4x4 = 0 x22x37x4 = = 0 18. x13x2 + 6x4 = 0 x3 +9x4 = 0

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.2: Adding And Subtracting Polynomials
Problem 36WE
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Write out the matrix A and the vector x.

17. x1
- - 5x3 + 4x4 = 0
x22x37x4 = = 0
Transcribed Image Text:17. x1 - - 5x3 + 4x4 = 0 x22x37x4 = = 0
18. x13x2
+ 6x4 = 0
x3 +9x4 = 0
Transcribed Image Text:18. x13x2 + 6x4 = 0 x3 +9x4 = 0
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