Check all of the equations below that are exact differential equations. y + 2yx y = 0 2xy + 2xy? y = 0 O e-* sin(y) e- cos(y)y = 0 - e
Check all of the equations below that are exact differential equations. y + 2yx y = 0 2xy + 2xy? y = 0 O e-* sin(y) e- cos(y)y = 0 - e
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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![Check all of the equations below that are exact differential equations.
y + 2yx y = 0
2xy + 2xy? y = 0
Ое sin(y) — е "
cos(y)y/ = 0
e
- e
(2xy + y+ 1) dx + (x + x² + y² ) dy = 0
(x2 + y) dx + (x + y?) dy = 0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3d9747ea-4e67-4156-9289-0dc96263d473%2F75298f60-6abe-49f4-889e-4f72c4afb337%2F7awx0bd_processed.png&w=3840&q=75)
Transcribed Image Text:Check all of the equations below that are exact differential equations.
y + 2yx y = 0
2xy + 2xy? y = 0
Ое sin(y) — е "
cos(y)y/ = 0
e
- e
(2xy + y+ 1) dx + (x + x² + y² ) dy = 0
(x2 + y) dx + (x + y?) dy = 0
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