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Which of the following equations is NOT an exact equation?| OA. (2x sin y + y)dx + (x² cos y + x)dy = 0 O B. dx- /2dy = 0 C. (xy − cos x)dx + (x² − 1)dy = 0 - cos y dx - (x sin y - y²)dy = 0 O E. OF. All of the Choices None of the Choices

Which of the following equations is NOT an exact equation?| OA. (2x sin y + y)dx + (x² cos y + x)dy = 0 O B. dx- /2dy = 0 C. (xy − cos x)dx + (x² − 1)dy = 0 - cos y dx - (x sin y - y²)dy = 0 O E. OF. All of the Choices None of the Choices

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? | OA. (2x sin y + y)dx + (x² cos y + x)dy = 0 O B. 1 OC. (xy − cos x)dx + (x² − 1)dy = 0| OD. cos y dx - (x sin y - y²)dy = 0 O E. |dx=dy = 0 O F. All of the Choices None of the Choices
Transcribed Image Text:Which of the following equations is NOT an exact equation? | OA. (2x sin y + y)dx + (x² cos y + x)dy = 0 O B. 1 OC. (xy − cos x)dx + (x² − 1)dy = 0| OD. cos y dx - (x sin y - y²)dy = 0 O E. |dx=dy = 0 O F. All of the Choices None of the Choices
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