问题
填空题
若复数z满足z2-z+1=0,则|z|=______.
答案
∵z2-z+1=0,∴z=
=1± 1-4 2×1
=1± -3 2
±1 2
i,3 2
∴|z|=
=1,
+1 4 3 4
故答案为:1.
若复数z满足z2-z+1=0,则|z|=______.
∵z2-z+1=0,∴z=
=1± 1-4 2×1
=1± -3 2
±1 2
i,3 2
∴|z|=
=1,
+1 4 3 4
故答案为:1.