( u − 1 ) ( v − 1 ) ( 2 v 4 − 3 v 3 + 3 v 2 − 3 v + 2 ) u v 5 / 2 {\displaystyle {\frac {(u-1)(v-1)\left(2v^{4}-3v^{3}+3v^{2}-3v+2\right)}{{\sqrt {u}}v^{5/2}}}}
