a z 5 + z 5 a + 2 a 2 z 4 + 2 z 4 a 2 + 4 z 4 + a 3 z 3 + a z 3 + z 3 a + z 3 a 3 − 3 a 2 z 2 − 3 z 2 a 2 − 6 z 2 − a 3 z − 2 a z − 2 z a − z a 3 + a 2 + 1 a 2 + 3 {\displaystyle az^{5}+{\frac {z^{5}}{a}}+2a^{2}z^{4}+{\frac {2z^{4}}{a^{2}}}+4z^{4}+a^{3}z^{3}+az^{3}+{\frac {z^{3}}{a}}+{\frac {z^{3}}{a^{3}}}-3a^{2}z^{2}-{\frac {3z^{2}}{a^{2}}}-6z^{2}-a^{3}z-2az-{\frac {2z}{a}}-{\frac {z}{a^{3}}}+a^{2}+{\frac {1}{a^{2}}}+3}
