$\begin{array}{1 1}\frac{2}{7} (x^\frac{7}{2})+2x^\frac{3}{2}+8x^\frac{1}{2}+c \\ \frac{2}{5} (x^\frac{5}{2})+2x^\frac{3}{2}+8x^\frac{1}{2}+c \\ \frac{2}{7} (x^\frac{7}{2})+2x^\frac{7}{2}+8x^\frac{1}{2}+c \\ \frac{2}{7} (x^\frac{7}{2}) + 2x^\frac{3}{2}+8x^\frac{7}{2}+c\end{array}$