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