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