Question

The equation (bar)zz + (bar)az + (bar)az + b = 0, b ∈ R represents a circle, if

(A) |a|2 = |b|2

(B) |a|2 ≥ b

(C) |a|2 < b

(D) of these

Answer 1

Correct option**(B) |a|2 ≥ b**