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