− 5 u v 4 − 11 u v 3 + 12 u v 2 − 7 u v + 2 u + 2 v 5 − 7 v 4 + 12 v 3 − 11 v 2 + 5 v u v 5 / 2 {\displaystyle -{\frac {5uv^{4}-11uv^{3}+12uv^{2}-7uv+2u+2v^{5}-7v^{4}+12v^{3}-11v^{2}+5v}{{\sqrt {u}}v^{5/2}}}}
