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