q 3 / 2 − 3 q + 6 q − 10 q 3 / 2 + 12 q 5 / 2 − 15 q 7 / 2 + 14 q 9 / 2 − 12 q 11 / 2 + 9 q 13 / 2 − 5 q 15 / 2 + 2 q 17 / 2 − 1 q 19 / 2 {\displaystyle q^{3/2}-3{\sqrt {q}}+{\frac {6}{\sqrt {q}}}-{\frac {10}{q^{3/2}}}+{\frac {12}{q^{5/2}}}-{\frac {15}{q^{7/2}}}+{\frac {14}{q^{9/2}}}-{\frac {12}{q^{11/2}}}+{\frac {9}{q^{13/2}}}-{\frac {5}{q^{15/2}}}+{\frac {2}{q^{17/2}}}-{\frac {1}{q^{19/2}}}}
