\[\int_{u}^{b}\sqrt{\frac{a-t}{(b-t)(t-c)^{3}}}\,\mathrm{d}t=-\tfrac{2}{3}{(a-b)%
}{(b-u)}^{3/2}R_{D}+\frac{2}{b-c}\sqrt{\frac{(a-u)(b-u)}{u-c}},\]