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