Data:L11n86/Multivariable Alexander

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