2 u v 3 − 8 u v 2 + 10 u v − 5 u − 5 v 3 + 10 v 2 − 8 v + 2 u v 3 / 2 {\displaystyle {\frac {2uv^{3}-8uv^{2}+10uv-5u-5v^{3}+10v^{2}-8v+2}{{\sqrt {u}}v^{3/2}}}}