− ( u − 1 ) ( v − 1 ) ( v 2 + 1 ) ( v 4 + 1 ) u v 7 / 2 {\displaystyle -{\frac {(u-1)(v-1)\left(v^{2}+1\right)\left(v^{4}+1\right)}{{\sqrt {u}}v^{7/2}}}}