Data:L11n238/Multivariable Alexander

[math]\displaystyle{ \frac{u^3 v^3-2 u^3 v^2-2 u^2 v^3+6 u^2 v^2-6 u^2 v+2 u^2+2 u v^3-6 u v^2+6 u v-2 u-2 v+1}{u^{3/2} v^{3/2}} }[/math]