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