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