− q 15 / 2 + 3 q 13 / 2 − 6 q 11 / 2 + 9 q 9 / 2 − 10 q 7 / 2 + 10 q 5 / 2 − 10 q 3 / 2 + 7 q − 5 q + 2 q 3 / 2 − 1 q 5 / 2 {\displaystyle -q^{15/2}+3q^{13/2}-6q^{11/2}+9q^{9/2}-10q^{7/2}+10q^{5/2}-10q^{3/2}+7{\sqrt {q}}-{\frac {5}{\sqrt {q}}}+{\frac {2}{q^{3/2}}}-{\frac {1}{q^{5/2}}}}
