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