− q 11 / 2 + 3 q 9 / 2 − 6 q 7 / 2 + 8 q 5 / 2 − 9 q 3 / 2 + 9 q − 9 q + 6 q 3 / 2 − 4 q 5 / 2 + 1 q 7 / 2 {\displaystyle -q^{11/2}+3q^{9/2}-6q^{7/2}+8q^{5/2}-9q^{3/2}+9{\sqrt {q}}-{\frac {9}{\sqrt {q}}}+{\frac {6}{q^{3/2}}}-{\frac {4}{q^{5/2}}}+{\frac {1}{q^{7/2}}}}
