5/3+4i的共轭复数时多少?
问题描述:
5/3+4i的共轭复数时多少?
答
5/3-4i
答
5/3-4I
答
5/(3+4i)=[5(3-4i)]/[(3+4i)(3-4i)]=5(3-4i)/25=3/5-(4/5)i,其共轭复数是(3/5)+(4/5)i.