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