− q 5 / 2 + 2 q 3 / 2 − 3 q + 4 q − 5 q 3 / 2 + 4 q 5 / 2 − 4 q 7 / 2 + 3 q 9 / 2 − 2 q 11 / 2 {\displaystyle -q^{5/2}+2q^{3/2}-3{\sqrt {q}}+{\frac {4}{\sqrt {q}}}-{\frac {5}{q^{3/2}}}+{\frac {4}{q^{5/2}}}-{\frac {4}{q^{7/2}}}+{\frac {3}{q^{9/2}}}-{\frac {2}{q^{11/2}}}}
