Data:L10a167/Multivariable Alexander

[math]\displaystyle{ \frac{u v w^2 x^2-u v w x^2+u v w x-u v x+u v-u w^2 x^2+u w^2 x+u w x^2-2 u w x+u w+u x-2 u-2 v w^2 x^2+v w^2 x+v w x^2-2 v w x+v w+v x-v+w^2 x^2-w^2 x+w x-w+1}{\sqrt{u} \sqrt{v} w x} }[/math]