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