u 2 v 2 w 3 − 2 u 2 v 2 w 2 − 2 u 2 v w 3 + 4 u 2 v w 2 − 2 u 2 v w + u 2 w 3 − 2 u 2 w 2 + u 2 w − u v 2 w 3 + 3 u v 2 w 2 − 2 u v 2 w + 2 u v w 3 − 5 u v w 2 + 5 u v w − 2 u v + 2 u w 2 − 3 u w + u − v 2 w 2 + 2 v 2 w − v 2 + 2 v w 2 − 4 v w + 2 v + 2 w − 1 u v w 3 / 2 {\displaystyle {\frac {u^{2}v^{2}w^{3}-2u^{2}v^{2}w^{2}-2u^{2}vw^{3}+4u^{2}vw^{2}-2u^{2}vw+u^{2}w^{3}-2u^{2}w^{2}+u^{2}w-uv^{2}w^{3}+3uv^{2}w^{2}-2uv^{2}w+2uvw^{3}-5uvw^{2}+5uvw-2uv+2uw^{2}-3uw+u-v^{2}w^{2}+2v^{2}w-v^{2}+2vw^{2}-4vw+2v+2w-1}{uvw^{3/2}}}}
