− 2 u v 6 + 3 u v 5 − 3 u v 4 + 3 u v 3 − 3 u v 2 + 2 u v − u − v 7 + 2 v 6 − 3 v 5 + 3 v 4 − 3 v 3 + 3 v 2 − 2 v u v 7 / 2 {\displaystyle {\frac {-2uv^{6}+3uv^{5}-3uv^{4}+3uv^{3}-3uv^{2}+2uv-u-v^{7}+2v^{6}-3v^{5}+3v^{4}-3v^{3}+3v^{2}-2v}{{\sqrt {u}}v^{7/2}}}}
