− 2 u v 5 − 5 u v 4 + 6 u v 3 − 6 u v 2 + 6 u v − 2 u − 2 v 5 + 6 v 4 − 6 v 3 + 6 v 2 − 5 v + 2 u v 5 / 2 {\displaystyle -{\frac {2uv^{5}-5uv^{4}+6uv^{3}-6uv^{2}+6uv-2u-2v^{5}+6v^{4}-6v^{3}+6v^{2}-5v+2}{{\sqrt {u}}v^{5/2}}}}
