6 q 9 / 2 − 8 q 7 / 2 + 7 q 5 / 2 + q 3 / 2 − 7 q 3 / 2 + 2 q 13 / 2 − 5 q 11 / 2 − 3 q + 5 q {\displaystyle {\frac {6}{q^{9/2}}}-{\frac {8}{q^{7/2}}}+{\frac {7}{q^{5/2}}}+q^{3/2}-{\frac {7}{q^{3/2}}}+{\frac {2}{q^{13/2}}}-{\frac {5}{q^{11/2}}}-3{\sqrt {q}}+{\frac {5}{\sqrt {q}}}}
