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