Data:L10a81/Multivariable Alexander

[math]\displaystyle{ \frac{2 u^2 v^3-5 u^2 v^2+2 u^2 v+u v^4-6 u v^3+9 u v^2-6 u v+u+2 v^3-5 v^2+2 v}{u v^2} }[/math]