Which of the following differential equations is NOT exact? Select one or more: a. (x² + 2xy)dx + x² ydy = 0 b. y = x? – 1 %3D c. x cos(x) + y + xy = 0 I d. x²y*dx + x ydy = 0 e. [x*e* ]dx + [ }x³ ye ]dy = 0 %3D %3D %3D

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Which of the following differential equations is NOT exact?
Select one or more:
a. (x² + 2xy)dx + x² ydy = 0
b. y = x - 1
%3D
C. x cos(x) + y + xy = 0
d. x² y° dx + x' ydy = 0
e. [x²e* ]dx + [ ?x³ye ]dy = 0
Transcribed Image Text:Which of the following differential equations is NOT exact? Select one or more: a. (x² + 2xy)dx + x² ydy = 0 b. y = x - 1 %3D C. x cos(x) + y + xy = 0 d. x² y° dx + x' ydy = 0 e. [x²e* ]dx + [ ?x³ye ]dy = 0
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