u v 5 − 6 u v 4 + 12 u v 3 − 12 u v 2 + 4 u v + 4 v 4 − 12 v 3 + 12 v 2 − 6 v + 1 u v 5 / 2 {\displaystyle {\frac {uv^{5}-6uv^{4}+12uv^{3}-12uv^{2}+4uv+4v^{4}-12v^{3}+12v^{2}-6v+1}{{\sqrt {u}}v^{5/2}}}}
