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