− q 11 / 2 + 3 q 9 / 2 − 7 q 7 / 2 + 11 q 5 / 2 − 17 q 3 / 2 + 19 q − 20 q + 18 q 3 / 2 − 14 q 5 / 2 + 9 q 7 / 2 − 4 q 9 / 2 + 1 q 11 / 2 {\displaystyle -q^{11/2}+3q^{9/2}-7q^{7/2}+11q^{5/2}-17q^{3/2}+19{\sqrt {q}}-{\frac {20}{\sqrt {q}}}+{\frac {18}{q^{3/2}}}-{\frac {14}{q^{5/2}}}+{\frac {9}{q^{7/2}}}-{\frac {4}{q^{9/2}}}+{\frac {1}{q^{11/2}}}}
