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