Data:L10a173/Multivariable Alexander

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