Data:L11n444/Multivariable Alexander

[math]\displaystyle{ \frac{-u v w-u v x+u v-u w^2 x^2+u w^2 x+2 u w x^2-2 u w x+u w-u x^2+2 u x-u-v w^2 x^2+2 v w^2 x-v w^2+v w x^2-2 v w x+2 v w+v x-v+w^2 x^2-w^2 x-w x^2}{\sqrt{u} \sqrt{v} w x} }[/math]