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