mathstresser
Junior Member
- Joined
- Jan 28, 2006
- Messages
- 134
Solve the homeogenous euqation (x+y)dx + (y-x) dy =0
(y-x)dy= -(x+y)dx
dy/dx= -(x+y)/(y-x)
dy/dx -x/(y-x) - y/(y-x)...
Now I think we're supposed to make u= y/x or something like that- whatever fits....
butI don't know what to do
(y-x)dy= -(x+y)dx
dy/dx= -(x+y)/(y-x)
dy/dx -x/(y-x) - y/(y-x)...
Now I think we're supposed to make u= y/x or something like that- whatever fits....
butI don't know what to do