q 5 / 2 − 4 q 3 / 2 + 8 q − 11 q + 13 q 3 / 2 − 15 q 5 / 2 + 12 q 7 / 2 − 10 q 9 / 2 + 6 q 11 / 2 − 3 q 13 / 2 + 1 q 15 / 2 {\displaystyle q^{5/2}-4q^{3/2}+8{\sqrt {q}}-{\frac {11}{\sqrt {q}}}+{\frac {13}{q^{3/2}}}-{\frac {15}{q^{5/2}}}+{\frac {12}{q^{7/2}}}-{\frac {10}{q^{9/2}}}+{\frac {6}{q^{11/2}}}-{\frac {3}{q^{13/2}}}+{\frac {1}{q^{15/2}}}}
