Data:L11a71/Multivariable Alexander

[math]\displaystyle{ \frac{u v^5-4 u v^4+7 u v^3-8 u v^2+6 u v-3 u-3 v^5+6 v^4-8 v^3+7 v^2-4 v+1}{\sqrt{u} v^{5/2}} }[/math]