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