Let z1,z2,z3z_1, z_2, z_3z1,z2,z3 be complex numbers such that ∣z1∣=∣z2∣=∣z3∣=1|z_1|=|z_2|=|z_3|=1∣z1∣=∣z2∣=∣z3∣=1 and z1+z2+z3=0z_1+z_2+z_3=0z1+z2+z3=0. What is z12+z22+z32z_1^2 + z_2^2 + z_3^2z12+z22+z32?
000
111
−1-1−1
333