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