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