L Lorenz New member Joined Dec 9, 2010 Messages 4 Dec 10, 2010 #1 (xlny+xy)dx+(ylnx+xy)dy=0 , x>0 ?M/?y = x/y + x ?N/?x = y/x + y Is it right? So this equation is not exact?
(xlny+xy)dx+(ylnx+xy)dy=0 , x>0 ?M/?y = x/y + x ?N/?x = y/x + y Is it right? So this equation is not exact?
D Deleted member 4993 Guest Dec 10, 2010 #2 Lorenz said: (xlny+xy)dx+(ylnx+xy)dy=0 , x>0 ?M/?y = x/y + x ?N/?x = y/x + y Is it right? So this equation is not exact? Click to expand... Correct...
Lorenz said: (xlny+xy)dx+(ylnx+xy)dy=0 , x>0 ?M/?y = x/y + x ?N/?x = y/x + y Is it right? So this equation is not exact? Click to expand... Correct...