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