Data:L11a148/Multivariable Alexander

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