已知复数z=【(-1+3i)*(1-i)-(1+3i)】/i,w=z+ai,当|w/z|≤根号2时,求a的取值范围
问题描述:
已知复数z=【(-1+3i)*(1-i)-(1+3i)】/i,w=z+ai,当|w/z|≤根号2时,求a的取值范围
答
已知复数z=【(-1+3i)*(1-i)-(1+3i)】/i,w=z+ai,当|w/z|≤根号2时,求a的取值范围