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