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