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Which of the following equations is NOT an exact equation? dy=0 B (xy - cos x)dx + (x² – 1)dy=0 (2x sin y + y)dx + (x² cos y + x)dy = 0 cos y dx -(x sin y – yrlay = 0

Which of the following equations is NOT an exact equation? dy=0 B (xy - cos x)dx + (x² – 1)dy=0 (2x sin y + y)dx + (x² cos y + x)dy = 0 cos y dx -(x sin y – yrlay = 0

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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Which of the following equations is NOT an exact equation? A) dy=0 (xy- cos x)dx + (x² – 1)dy=D0 (2x sin y + y)dx + (x² cos y + x)dy = 0 cos y dx - x sin y-ylay = 0
Transcribed Image Text:Which of the following equations is NOT an exact equation? A) dy=0 (xy- cos x)dx + (x² – 1)dy=D0 (2x sin y + y)dx + (x² cos y + x)dy = 0 cos y dx - x sin y-ylay = 0
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