q 9 / 2 − 8 q 9 / 2 − 4 q 7 / 2 + 14 q 7 / 2 + 9 q 5 / 2 − 20 q 5 / 2 − 15 q 3 / 2 + 22 q 3 / 2 − 1 q 13 / 2 + 3 q 11 / 2 + 20 q − 23 q {\displaystyle q^{9/2}-{\frac {8}{q^{9/2}}}-4q^{7/2}+{\frac {14}{q^{7/2}}}+9q^{5/2}-{\frac {20}{q^{5/2}}}-15q^{3/2}+{\frac {22}{q^{3/2}}}-{\frac {1}{q^{13/2}}}+{\frac {3}{q^{11/2}}}+20{\sqrt {q}}-{\frac {23}{\sqrt {q}}}}