− q 5 / 2 + 2 q 3 / 2 − 4 q + 6 q − 8 q 3 / 2 + 9 q 5 / 2 − 10 q 7 / 2 + 8 q 9 / 2 − 7 q 11 / 2 + 4 q 13 / 2 − 2 q 15 / 2 + 1 q 17 / 2 {\displaystyle -q^{5/2}+2q^{3/2}-4{\sqrt {q}}+{\frac {6}{\sqrt {q}}}-{\frac {8}{q^{3/2}}}+{\frac {9}{q^{5/2}}}-{\frac {10}{q^{7/2}}}+{\frac {8}{q^{9/2}}}-{\frac {7}{q^{11/2}}}+{\frac {4}{q^{13/2}}}-{\frac {2}{q^{15/2}}}+{\frac {1}{q^{17/2}}}}
