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