− 2 q 9 / 2 − q 7 / 2 + 4 q 7 / 2 + 3 q 5 / 2 − 7 q 5 / 2 − 5 q 3 / 2 + 7 q 3 / 2 + 7 q − 8 q {\displaystyle -{\frac {2}{q^{9/2}}}-q^{7/2}+{\frac {4}{q^{7/2}}}+3q^{5/2}-{\frac {7}{q^{5/2}}}-5q^{3/2}+{\frac {7}{q^{3/2}}}+7{\sqrt {q}}-{\frac {8}{\sqrt {q}}}}
