4 c -- Graeffe Root-Squaring Method --
5 c -- to Find Roots of a Polynomial --
8 b(2)=-a(10)**2+2.0*a(9)*a(11)
9 b(3)=a(9)**2-2.0*a(8)*a(10)+2.0*a(7)*a(11)
10 b(4)=-a(8)**2+2.0*a(7)*a(9)-2.0*a(6)*a(10)+2.0*a(5)*a(11)
11 b(5)=a(7)**2-2.0*a(6)*a(8)+2.0*a(5)*a(9)-2.0*a(4)*a(10)+2.0*a(3)*a
13 b(6)=-a(6)**2+2.0*a(5)*a(7)-2.0*a(4)*a(8)+2.0*a(3)*a(9)-2.0*a(2)*a
15 b(7)=a(5)**2-2.0*a(4)*a(6)+2.0*a(3)*a(7)-2.0*a(2)*a(8)+2.0*a(1)*a(
17 b(8)=-a(4)**2+2.0*a(3)*a(5)-2.0*a(2)*a(6)+2.0*a(1)*a(7)
18 b(9)=a(3)**2-2.0*a(2)*a(4)+2.0*a(1)*a(5)
19 b(10)=-a(2)**2+2.0*a(1)*a(3)