2 u 2 v 2 w − u 2 v 2 + 3 u 2 v w 2 − 5 u 2 v w + 2 u 2 v + u 2 w 3 − 3 u 2 w 2 + 3 u 2 w − u 2 + 3 u v 2 w 2 − 5 u v 2 w + 2 u v 2 + 2 u v w 3 − 7 u v w 2 + 7 u v w − 2 u v − 2 u w 3 + 5 u w 2 − 3 u w + v 2 w 3 − 3 v 2 w 2 + 3 v 2 w − v 2 − 2 v w 3 + 5 v w 2 − 3 v w + w 3 − 2 w 2 u v w 3 / 2 {\displaystyle {\frac {2u^{2}v^{2}w-u^{2}v^{2}+3u^{2}vw^{2}-5u^{2}vw+2u^{2}v+u^{2}w^{3}-3u^{2}w^{2}+3u^{2}w-u^{2}+3uv^{2}w^{2}-5uv^{2}w+2uv^{2}+2uvw^{3}-7uvw^{2}+7uvw-2uv-2uw^{3}+5uw^{2}-3uw+v^{2}w^{3}-3v^{2}w^{2}+3v^{2}w-v^{2}-2vw^{3}+5vw^{2}-3vw+w^{3}-2w^{2}}{uvw^{3/2}}}}