若复数z1=4减3i,z2=1+2i,则z1/z2=?答案为负2/5减11/5 急
问题描述:
若复数z1=4减3i,z2=1+2i,则z1/z2=?答案为负2/5减11/5 急
答
z1=4减3i,z2=1+2i,
则z1/z2=(4-3i)/(1+2i)=[(4-3i)(1-2i)]/[(1+2i)(1-2i)]=(-2-11i)/5=-2/5-11i/5