q 11 / 2 − 3 q 9 / 2 + 6 q 7 / 2 − 10 q 5 / 2 + 11 q 3 / 2 − 12 q + 11 q − 9 q 3 / 2 + 5 q 5 / 2 − 3 q 7 / 2 + 1 q 9 / 2 {\displaystyle q^{11/2}-3q^{9/2}+6q^{7/2}-10q^{5/2}+11q^{3/2}-12{\sqrt {q}}+{\frac {11}{\sqrt {q}}}-{\frac {9}{q^{3/2}}}+{\frac {5}{q^{5/2}}}-{\frac {3}{q^{7/2}}}+{\frac {1}{q^{9/2}}}}