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