Data:L11a505/Multivariable Alexander

[math]\displaystyle{ -\frac{(w-1) \left(u^2 v^2 w^2-2 u^2 v^2 w-u^2 v w^2+3 u^2 v w-u^2 v-u^2 w+u^2-2 u v^2 w^2+3 u v^2 w+2 u v w^2-7 u v w+2 u v+3 u w-2 u+v^2 w^2-v^2 w-v w^2+3 v w-v-2 w+1\right)}{u v w^{3/2}} }[/math]