let alpha and beta be real and z be a complex number. if z^2+alpha Z+ beta=0 has 2 disntinct roots on the line Re(z)=1,then it is necessary that,
let alpha and beta be real and z be a complex number. if z^2+alpha Z+ beta=0 has 2 disntinct roots on the line Re(z)=1,then it is necessary that,










