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