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