1 q 9 / 2 + q 7 / 2 − 2 q 7 / 2 − 2 q 5 / 2 + 3 q 5 / 2 + 3 q 3 / 2 − 4 q 3 / 2 − 5 q + 3 q {\displaystyle {\frac {1}{q^{9/2}}}+q^{7/2}-{\frac {2}{q^{7/2}}}-2q^{5/2}+{\frac {3}{q^{5/2}}}+3q^{3/2}-{\frac {4}{q^{3/2}}}-5{\sqrt {q}}+{\frac {3}{\sqrt {q}}}}