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