Question

Choose the correct alternative:

z₁, z₂ and z₃ are complex numbers such that z₁ + z₂ + z₃ = 0 and |z₁| = |z₂| = |z₃| = 1 then `z_1^2 + z_2^2 + z_3^2` is

Options

• 3

• 2

• 1

• 0

Answer 1

0