q 5 / 2 − 4 q 3 / 2 + 9 q − 15 q + 18 q 3 / 2 − 22 q 5 / 2 + 19 q 7 / 2 − 18 q 9 / 2 + 11 q 11 / 2 − 8 q 13 / 2 + 2 q 15 / 2 − 1 q 17 / 2 {\displaystyle q^{5/2}-4q^{3/2}+9{\sqrt {q}}-{\frac {15}{\sqrt {q}}}+{\frac {18}{q^{3/2}}}-{\frac {22}{q^{5/2}}}+{\frac {19}{q^{7/2}}}-{\frac {18}{q^{9/2}}}+{\frac {11}{q^{11/2}}}-{\frac {8}{q^{13/2}}}+{\frac {2}{q^{15/2}}}-{\frac {1}{q^{17/2}}}}
