− q 7 / 2 + 4 q 5 / 2 − 7 q 3 / 2 + 9 q − 11 q + 10 q 3 / 2 − 9 q 5 / 2 + 6 q 7 / 2 − 3 q 9 / 2 {\displaystyle -q^{7/2}+4q^{5/2}-7q^{3/2}+9{\sqrt {q}}-{\frac {11}{\sqrt {q}}}+{\frac {10}{q^{3/2}}}-{\frac {9}{q^{5/2}}}+{\frac {6}{q^{7/2}}}-{\frac {3}{q^{9/2}}}}
