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