− 7 q 9 / 2 + 10 q 7 / 2 − 1 q 7 / 2 − 13 q 5 / 2 + 2 q 5 / 2 + 13 q 3 / 2 − 6 q 3 / 2 − q 13 / 2 + 4 q 11 / 2 − 12 q + 9 q {\displaystyle -7q^{9/2}+10q^{7/2}-{\frac {1}{q^{7/2}}}-13q^{5/2}+{\frac {2}{q^{5/2}}}+13q^{3/2}-{\frac {6}{q^{3/2}}}-q^{13/2}+4q^{11/2}-12{\sqrt {q}}+{\frac {9}{\sqrt {q}}}}