/ ____________\ / ____________\ / ____________\ / ____________\ | / ___ | | / ___ | | / ___ | | / ___ | (x + 1)*(x - 1)*\x + \/ -1 + \/ 2 /*\x - \/ -1 + \/ 2 /*\x + \/ -1 - \/ 2 /*\x - \/ -1 - \/ 2 /
(((((x + 1)*(x - 1))*(x + sqrt(-1 + sqrt(2))))*(x - sqrt(-1 + sqrt(2))))*(x + sqrt(-1 - sqrt(2))))*(x - sqrt(-1 - sqrt(2)))
2 / 2 / 2\\ 1 + y *\-3 + y *\1 + y //
1 + y^2*(-3 + y^2*(1 + y^2))