− q 15 / 2 + 3 q 13 / 2 − 5 q 11 / 2 + 7 q 9 / 2 − 9 q 7 / 2 + 9 q 5 / 2 − 9 q 3 / 2 + 7 q − 6 q + 3 q 3 / 2 − 2 q 5 / 2 + 1 q 7 / 2 {\displaystyle -q^{15/2}+3q^{13/2}-5q^{11/2}+7q^{9/2}-9q^{7/2}+9q^{5/2}-9q^{3/2}+7{\sqrt {q}}-{\frac {6}{\sqrt {q}}}+{\frac {3}{q^{3/2}}}-{\frac {2}{q^{5/2}}}+{\frac {1}{q^{7/2}}}}
