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