Data:L10a119/Multivariable Alexander

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