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