If z1 =1-i and z2=-2+4i find z1z2/z1.there is a bar over z1 Share with your friends Share 2 Lovina Kansal answered this Dear student Given: z1=1-iand z2=-2+4iConsider,z1z2z1¯=1-i-2+4i1-i¯=-2+4i+2i-4i21+i=-2+6i+41+i ∵i2=-1=2+6i1+i=2+6i1+i×1-i1-i=2-2i+6i-6i21-i2=2+4i+61+1=8+4i2=4+2i Regards 2 View Full Answer