Given z1=3+iz_1 = 3 + iz1=3+i and z2=1−2iz_2 = 1 - 2iz2=1−2i, what is z1/z2z_1/z_2z1/z2?
0.2+1.4i0.2 + 1.4i0.2+1.4i
1−i1 - i1−i
0.2−1.4i0.2 - 1.4i0.2−1.4i
1.4+0.2i1.4 + 0.2i1.4+0.2i