q 15 / 2 − 3 q 13 / 2 + 6 q 11 / 2 − 10 q 9 / 2 + 14 q 7 / 2 − 17 q 5 / 2 + 16 q 3 / 2 − 15 q + 11 q − 7 q 3 / 2 + 3 q 5 / 2 − 1 q 7 / 2 {\displaystyle q^{15/2}-3q^{13/2}+6q^{11/2}-10q^{9/2}+14q^{7/2}-17q^{5/2}+16q^{3/2}-15{\sqrt {q}}+{\frac {11}{\sqrt {q}}}-{\frac {7}{q^{3/2}}}+{\frac {3}{q^{5/2}}}-{\frac {1}{q^{7/2}}}}