Which of the following equations is NOT an exact equation? O A. (2x sin y + y)dx + (x² cos y + x)dy = 0 O B. OC. (xy- - cos x)dx + (x² − 1)dy = 0 OD. cos y dx - (x sin y - y²)dy = 0 O E. |dx −dy = 0 y O F. All of the Choices None of the Choices
Which of the following equations is NOT an exact equation? O A. (2x sin y + y)dx + (x² cos y + x)dy = 0 O B. OC. (xy- - cos x)dx + (x² − 1)dy = 0 OD. cos y dx - (x sin y - y²)dy = 0 O E. |dx −dy = 0 y O F. All of the Choices None of the Choices
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
![Which of the following equations is NOT an exact equation? |
OA. (2x sin y + y)dx + (x² cos y + x)dy = 0
O B.
O C.
O E.
y
O F.
dx-dy = 0
− cos x) dx + (x² - 1)dy = 0
OD. cos y dx - (x sin y - y²)dy:
(xy
All of the Choices
None of the Choices
=
0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1b3602e9-94a4-4c97-8736-40eab99c1858%2Fb00493f9-4177-4e26-b0b9-f0326f089395%2F86mrg9y_processed.png&w=3840&q=75)
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.
O C.
O E.
y
O F.
dx-dy = 0
− cos x) dx + (x² - 1)dy = 0
OD. cos y dx - (x sin y - y²)dy:
(xy
All of the Choices
None of the Choices
=
0
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