问题
填空题
设复数z满足i(z+1)=-3+2i(i为虚数单位),则z的实部是________.
答案
1
设z=a+bi(a、b为实数),i(z+1)=i(a+1+bi)=-b+(a+1)i=-3+2i,
因此b="3,a+1=2," 则z的实部a=1.
设复数z满足i(z+1)=-3+2i(i为虚数单位),则z的实部是________.
1
设z=a+bi(a、b为实数),i(z+1)=i(a+1+bi)=-b+(a+1)i=-3+2i,
因此b="3,a+1=2," 则z的实部a=1.