− 3 u v 2 w 2 + 3 u v 2 w − u v 2 − u v w 3 + 3 u v w 2 − 2 u v w + u w 3 − u w 2 + v 2 w 2 − v 2 w + 2 v w 3 − 3 v w 2 + v w + w 4 − 3 w 3 + 3 w 2 u v w 2 {\displaystyle {\frac {-3uv^{2}w^{2}+3uv^{2}w-uv^{2}-uvw^{3}+3uvw^{2}-2uvw+uw^{3}-uw^{2}+v^{2}w^{2}-v^{2}w+2vw^{3}-3vw^{2}+vw+w^{4}-3w^{3}+3w^{2}}{{\sqrt {u}}vw^{2}}}}
