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QUESTION 1 Use Gaussian elimination with partial pivoting and three-digit rounding to solve the linear system 3.12xy +1.35z = -120, -4.15x+1.01y +z = 100, x+y+z=125. Then x+y-z= a. -69.6 b. 74 C. -71.5 d. -72.5 e. -70.5

QUESTION 1 Use Gaussian elimination with partial pivoting and three-digit rounding to solve the linear system 3.12xy +1.35z = -120, -4.15x+1.01y +z = 100, x+y+z=125. Then x+y-z= a. -69.6 b. 74 C. -71.5 d. -72.5 e. -70.5

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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QUESTION 1 Use Gaussian elimination with partial pivoting and three-digit rounding to solve the linear system 3.12xy +1.35z = -120, -4.15x+1.01y +z = 100, x+y+z=125. Then x+y-z= a. -69.6 b. 74 C. -71.5 d. -72.5 e. -70.5
Transcribed Image Text:QUESTION 1 Use Gaussian elimination with partial pivoting and three-digit rounding to solve the linear system 3.12xy +1.35z = -120, -4.15x+1.01y +z = 100, x+y+z=125. Then x+y-z= a. -69.6 b. 74 C. -71.5 d. -72.5 e. -70.5
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