− 3 u v 4 − 10 u v 3 + 14 u v 2 − 7 u v + u + v 5 − 7 v 4 + 14 v 3 − 10 v 2 + 3 v u v 5 / 2 {\displaystyle -{\frac {3uv^{4}-10uv^{3}+14uv^{2}-7uv+u+v^{5}-7v^{4}+14v^{3}-10v^{2}+3v}{{\sqrt {u}}v^{5/2}}}}
