− q 5 / 2 + 3 q 3 / 2 − 5 q + 8 q − 10 q 3 / 2 + 10 q 5 / 2 − 11 q 7 / 2 + 8 q 9 / 2 − 6 q 11 / 2 + 3 q 13 / 2 − 1 q 15 / 2 {\displaystyle -q^{5/2}+3q^{3/2}-5{\sqrt {q}}+{\frac {8}{\sqrt {q}}}-{\frac {10}{q^{3/2}}}+{\frac {10}{q^{5/2}}}-{\frac {11}{q^{7/2}}}+{\frac {8}{q^{9/2}}}-{\frac {6}{q^{11/2}}}+{\frac {3}{q^{13/2}}}-{\frac {1}{q^{15/2}}}}
