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