Data:L11a67/Multivariable Alexander

[math]\displaystyle{ \frac{u v^5-5 u v^4+12 u v^3-16 u v^2+9 u v-2 u-2 v^5+9 v^4-16 v^3+12 v^2-5 v+1}{\sqrt{u} v^{5/2}} }[/math]