− q 5 / 2 + 2 q 3 / 2 − 5 q + 7 q − 10 q 3 / 2 + 12 q 5 / 2 − 13 q 7 / 2 + 11 q 9 / 2 − 9 q 11 / 2 + 6 q 13 / 2 − 3 q 15 / 2 + 1 q 17 / 2 {\displaystyle -q^{5/2}+2q^{3/2}-5{\sqrt {q}}+{\frac {7}{\sqrt {q}}}-{\frac {10}{q^{3/2}}}+{\frac {12}{q^{5/2}}}-{\frac {13}{q^{7/2}}}+{\frac {11}{q^{9/2}}}-{\frac {9}{q^{11/2}}}+{\frac {6}{q^{13/2}}}-{\frac {3}{q^{15/2}}}+{\frac {1}{q^{17/2}}}}
