− q 11 / 2 + 3 q 9 / 2 − 6 q 7 / 2 + 11 q 5 / 2 − 15 q 3 / 2 + 17 q − 19 q + 16 q 3 / 2 − 13 q 5 / 2 + 8 q 7 / 2 − 4 q 9 / 2 + 1 q 11 / 2 {\displaystyle -q^{11/2}+3q^{9/2}-6q^{7/2}+11q^{5/2}-15q^{3/2}+17{\sqrt {q}}-{\frac {19}{\sqrt {q}}}+{\frac {16}{q^{3/2}}}-{\frac {13}{q^{5/2}}}+{\frac {8}{q^{7/2}}}-{\frac {4}{q^{9/2}}}+{\frac {1}{q^{11/2}}}}
