Let α and β be real numbers and z be a complex number. If z2 + αz + β = 0 has two distinct non-real roots with Re(z) = 1, then it is necessary that.

Let α and β be real numbers and z be a complex number. If z2 + αz +

1.	Let α and β be real numbers and z be a complex number. If z2 + αz + β = 0 has two distinct non-real roots with Re(z) = 1, then it is necessary that.
A.	β ϵ (-1, 0)
B.	β\| = 1
C.	β ϵ (1, ∞)
D.	β ϵ (0, 1)
Answer» D. β ϵ (0, 1)