z 6 a 10 − 4 z 4 a 10 + 3 z 2 a 10 + 2 z 7 a 9 − 8 z 5 a 9 + 7 z 3 a 9 − 2 z a 9 + 2 z 8 a 8 − 8 z 6 a 8 + 8 z 4 a 8 − 4 z 2 a 8 + a 8 + z 9 a 7 − 3 z 7 a 7 + z 5 a 7 + 3 z 8 a 6 − 14 z 6 a 6 + 21 z 4 a 6 − 11 z 2 a 6 + a 6 + z 9 a 5 − 5 z 7 a 5 + 10 z 5 a 5 − 9 z 3 a 5 + 5 z a 5 + z 8 a 4 − 5 z 6 a 4 + 9 z 4 a 4 − 2 z 2 a 4 − 2 a 4 + z 5 a 3 − 2 z 3 a 3 + 3 z a 3 + 2 z 2 a 2 − 3 a 2 {\displaystyle z^{6}a^{10}-4z^{4}a^{10}+3z^{2}a^{10}+2z^{7}a^{9}-8z^{5}a^{9}+7z^{3}a^{9}-2za^{9}+2z^{8}a^{8}-8z^{6}a^{8}+8z^{4}a^{8}-4z^{2}a^{8}+a^{8}+z^{9}a^{7}-3z^{7}a^{7}+z^{5}a^{7}+3z^{8}a^{6}-14z^{6}a^{6}+21z^{4}a^{6}-11z^{2}a^{6}+a^{6}+z^{9}a^{5}-5z^{7}a^{5}+10z^{5}a^{5}-9z^{3}a^{5}+5za^{5}+z^{8}a^{4}-5z^{6}a^{4}+9z^{4}a^{4}-2z^{2}a^{4}-2a^{4}+z^{5}a^{3}-2z^{3}a^{3}+3za^{3}+2z^{2}a^{2}-3a^{2}}
