3 u v 3 − 9 u v 2 + 10 u v − 5 u − 5 v 3 + 10 v 2 − 9 v + 3 u v 3 / 2 {\displaystyle {\frac {3uv^{3}-9uv^{2}+10uv-5u-5v^{3}+10v^{2}-9v+3}{{\sqrt {u}}v^{3/2}}}}