ode2(diff(y)=y/(x-y),y,x);
y
(%t1) del(y) = -----
y + x
msg1
(%o1) false
the answer is:
dy/dx= y/(x+y)
(x+y) dy=ydx
xdy+ydy=ydx
ydy =ydx-xdy
y/y^2 dy =(y dx - x dy)/y^2
1/y dy = d(x/y)
ln(y)= x/y
y ln(y)=x
Maxima seems like it does not know this?
Doug