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