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