q 9 / 2 + 2 q 9 / 2 − q 7 / 2 − 4 q 7 / 2 + 4 q 5 / 2 + q 3 / 2 − 4 q 3 / 2 − 1 q 11 / 2 − 3 q + 3 q {\displaystyle q^{9/2}+{\frac {2}{q^{9/2}}}-q^{7/2}-{\frac {4}{q^{7/2}}}+{\frac {4}{q^{5/2}}}+q^{3/2}-{\frac {4}{q^{3/2}}}-{\frac {1}{q^{11/2}}}-3{\sqrt {q}}+{\frac {3}{\sqrt {q}}}}
