2 q 5 / 2 − 5 q 3 / 2 + 7 q − 10 q + 10 q 3 / 2 − 10 q 5 / 2 + 8 q 7 / 2 − 5 q 9 / 2 + 2 q 11 / 2 − 1 q 13 / 2 {\displaystyle 2q^{5/2}-5q^{3/2}+7{\sqrt {q}}-{\frac {10}{\sqrt {q}}}+{\frac {10}{q^{3/2}}}-{\frac {10}{q^{5/2}}}+{\frac {8}{q^{7/2}}}-{\frac {5}{q^{9/2}}}+{\frac {2}{q^{11/2}}}-{\frac {1}{q^{13/2}}}}
