The differential equation (-xysin x+2ycos xdx +2xcos x dy 0 is
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
Transcribed Image Text:The differential equation (-xysin x+2ycos x )dx +2xcos x dy = 0 is
Select the correct answer.
O exact with solution Xycos x+ysin x +2xycos x =c
exact with solution -xycos x+ysin x +2rycos x+c
O exact with solution -2xycos x+ysin x+2xycos x =c
O not exact but having an integrating factor xy
not exact but having an integrating factor y
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