Auxiliary equations
(x−y)y2dx=(y−x)x2dy=(x2+y2)zdz
Taking dx and dy
dxdy=−y2x2
y2dy=−x2dx
C1=x3+y3
(x−y)y2dx=(x2+y2)zdz
(x−y)y2(x2+y2)dx=zdz
lnz=y21F(x,y)+C2
Here, y cannot be 0 in this equation that is why there is no intersection with curve
xz=a3, y=0
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