− 4 q 9 / 2 + 1 q 9 / 2 + 8 q 7 / 2 − 4 q 7 / 2 − 13 q 5 / 2 + 7 q 5 / 2 + 14 q 3 / 2 − 13 q 3 / 2 + q 11 / 2 − 18 q + 13 q {\displaystyle -4q^{9/2}+{\frac {1}{q^{9/2}}}+8q^{7/2}-{\frac {4}{q^{7/2}}}-13q^{5/2}+{\frac {7}{q^{5/2}}}+14q^{3/2}-{\frac {13}{q^{3/2}}}+q^{11/2}-18{\sqrt {q}}+{\frac {13}{\sqrt {q}}}}
