4ai的知识精选

4-3a-a2i=a2+4ai,则实数a的值为(  )A.1                         ...
问题详情:4-3a-a2i=a2+4ai,则实数a的值为()A.1                             B.1或-4C.-4                           D.0或-4【回答】C知识点:数系的扩充与复数的引入题...
热门标签