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