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