− u v 5 − 3 u v 4 + 2 u v 3 + 2 u v 2 − u v − v 4 + 2 v 3 + 2 v 2 − 3 v + 1 u v 5 / 2 {\displaystyle -{\frac {uv^{5}-3uv^{4}+2uv^{3}+2uv^{2}-uv-v^{4}+2v^{3}+2v^{2}-3v+1}{{\sqrt {u}}v^{5/2}}}}
