q − 3 q + 4 q 3 / 2 − 7 q 5 / 2 + 8 q 7 / 2 − 10 q 9 / 2 + 10 q 11 / 2 − 9 q 13 / 2 + 7 q 15 / 2 − 5 q 17 / 2 + 3 q 19 / 2 − 1 q 21 / 2 {\displaystyle {\sqrt {q}}-{\frac {3}{\sqrt {q}}}+{\frac {4}{q^{3/2}}}-{\frac {7}{q^{5/2}}}+{\frac {8}{q^{7/2}}}-{\frac {10}{q^{9/2}}}+{\frac {10}{q^{11/2}}}-{\frac {9}{q^{13/2}}}+{\frac {7}{q^{15/2}}}-{\frac {5}{q^{17/2}}}+{\frac {3}{q^{19/2}}}-{\frac {1}{q^{21/2}}}}
