Solve the systems using either Gaussian Elimination or Gauss-Jordan Elimination. (a) 3x − y = −1 5x − 2y = −3   (b) y − z = −1 x + 3y − 2z = 0 2x + 2y + z = 9.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Solve the systems using either Gaussian Elimination or Gauss-Jordan Elimination.

(a) 3x − y = −1

5x − 2y = −3

 

(b) y − z = −1

x + 3y − 2z = 0

2x + 2y + z = 9.        

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