1.If z1,z2,z3∈Cz_1, z_2, z_3 \in \mathbb{C}z1,z2,z3∈C are the vertices of an equilateral triangle whose centroid is z0z_0z0, then ∑k=13(zk−z0)2\displaystyle\sum_{k=1}^{3}(z_k - z_0)^2k=1∑3(zk−z0)2 is equal to:a.000b.111c.iiid.−i-i−iLogin to continueOnly logged in users canattempt or see the solution.