− u v 5 − 5 u v 4 + 10 u v 3 − 10 u v 2 + 7 u v − 2 u − 2 v 5 + 7 v 4 − 10 v 3 + 10 v 2 − 5 v + 1 u v 5 / 2 {\displaystyle -{\frac {uv^{5}-5uv^{4}+10uv^{3}-10uv^{2}+7uv-2u-2v^{5}+7v^{4}-10v^{3}+10v^{2}-5v+1}{{\sqrt {u}}v^{5/2}}}}
