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