2 q 11 / 2 − 6 q 9 / 2 + 9 q 7 / 2 − 13 q 5 / 2 + 14 q 3 / 2 − 14 q + 11 q − 8 q 3 / 2 + 4 q 5 / 2 − 1 q 7 / 2 {\displaystyle 2q^{11/2}-6q^{9/2}+9q^{7/2}-13q^{5/2}+14q^{3/2}-14{\sqrt {q}}+{\frac {11}{\sqrt {q}}}-{\frac {8}{q^{3/2}}}+{\frac {4}{q^{5/2}}}-{\frac {1}{q^{7/2}}}}