− 4 q 9 / 2 + 3 q 9 / 2 + 8 q 7 / 2 − 7 q 7 / 2 − 13 q 5 / 2 + 12 q 5 / 2 + 17 q 3 / 2 − 16 q 3 / 2 + q 11 / 2 − 1 q 11 / 2 − 20 q + 18 q {\displaystyle -4q^{9/2}+{\frac {3}{q^{9/2}}}+8q^{7/2}-{\frac {7}{q^{7/2}}}-13q^{5/2}+{\frac {12}{q^{5/2}}}+17q^{3/2}-{\frac {16}{q^{3/2}}}+q^{11/2}-{\frac {1}{q^{11/2}}}-20{\sqrt {q}}+{\frac {18}{\sqrt {q}}}}