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Consider the following equations: (1) 2x-3y+z=7 (2) - +4y=z=2 (3) -x-2y + 5z = √2 (4) 2x + xy - 3z=7 Which of the above equations are not linear equations in x, y and z ? A. (2) only. B. (2) and (3) only. O C. (2) and (4) only. OD. (2), (3) and (4) only.

Consider the following equations: (1) 2x-3y+z=7 (2) - +4y=z=2 (3) -x-2y + 5z = √2 (4) 2x + xy - 3z=7 Which of the above equations are not linear equations in x, y and z ? A. (2) only. B. (2) and (3) only. O C. (2) and (4) only. OD. (2), (3) and (4) only.

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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Consider the following equations: (1) 2x-3y+z=7 (2) - +4y=z=2 (3) -x-2y + 5z = √2 (4) 2x + xy - 3z=7 Which of the above equations are not linear equations in x, y and z ? A. (2) only. B. (2) and (3) only. OC. (2) and (4) only. OD. (2), (3) and (4) only. E. (1) only.
Transcribed Image Text:Consider the following equations: (1) 2x-3y+z=7 (2) - +4y=z=2 (3) -x-2y + 5z = √2 (4) 2x + xy - 3z=7 Which of the above equations are not linear equations in x, y and z ? A. (2) only. B. (2) and (3) only. OC. (2) and (4) only. OD. (2), (3) and (4) only. E. (1) only.
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