Сумма и произведение корней
[src]2*pi + 2*pi - I*im(acos(2)) + I*im(acos(2)) + re(acos(2))
(2π+(2π−iim(acos(2))))+(re(acos(2))+iim(acos(2))) re(acos(2))+4π 0*2*pi*(2*pi - I*im(acos(2)))*(I*im(acos(2)) + re(acos(2)))
0⋅2π(2π−iim(acos(2)))(re(acos(2))+iim(acos(2)))