q 7 / 2 − 2 q 5 / 2 + 3 q 3 / 2 − 5 q + 3 q − 4 q 3 / 2 + 3 q 5 / 2 − 2 q 7 / 2 + 1 q 9 / 2 {\displaystyle q^{7/2}-2q^{5/2}+3q^{3/2}-5{\sqrt {q}}+{\frac {3}{\sqrt {q}}}-{\frac {4}{q^{3/2}}}+{\frac {3}{q^{5/2}}}-{\frac {2}{q^{7/2}}}+{\frac {1}{q^{9/2}}}}
