2 q 7 / 2 − 4 q 5 / 2 + 4 q 3 / 2 − 6 q + 5 q − 5 q 3 / 2 + 3 q 5 / 2 − 2 q 7 / 2 + 1 q 9 / 2 {\displaystyle 2q^{7/2}-4q^{5/2}+4q^{3/2}-6{\sqrt {q}}+{\frac {5}{\sqrt {q}}}-{\frac {5}{q^{3/2}}}+{\frac {3}{q^{5/2}}}-{\frac {2}{q^{7/2}}}+{\frac {1}{q^{9/2}}}}