Question

Let z ∈ C, the set of complex numbers. Then the equation, 2|z+3i| – |z – i| = 0 represents :
(a) a circle with radius $\frac{8}{3}$ .
(b) a circle with diameter$\frac{10}{3}$.
(c) an ellipse with length of major axis $\frac{16}{3}$
(d) an ellipse with length of minor axis $\frac{16}{9}$.

Answer 1

B)

I think b is the correct answer