Exact equation

[Lorenz]

(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?

 

[Deleted member 4993]

(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?

Correct...