− u 2 v 2 w + u 2 v 2 − 2 u 2 v w 2 + 5 u 2 v w − 2 u 2 v + 2 u 2 w 2 − 3 u 2 w + u 2 − 2 u v 2 w 2 + 3 u v 2 w − u v 2 − u v w 3 + 6 u v w 2 − 6 u v w + u v + u w 3 − 3 u w 2 + 2 u w − v 2 w 3 + 3 v 2 w 2 − 2 v 2 w + 2 v w 3 − 5 v w 2 + 2 v w − w 3 + w 2 u v w 3 / 2 {\displaystyle {\frac {-u^{2}v^{2}w+u^{2}v^{2}-2u^{2}vw^{2}+5u^{2}vw-2u^{2}v+2u^{2}w^{2}-3u^{2}w+u^{2}-2uv^{2}w^{2}+3uv^{2}w-uv^{2}-uvw^{3}+6uvw^{2}-6uvw+uv+uw^{3}-3uw^{2}+2uw-v^{2}w^{3}+3v^{2}w^{2}-2v^{2}w+2vw^{3}-5vw^{2}+2vw-w^{3}+w^{2}}{uvw^{3/2}}}}
