Data:L11n456/Multivariable Alexander

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