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