复数-(1-1i)4的值是()A.4B.-4iC.4iD.-4-数学

题目简介

复数-(1-1i)4的值是()A.4B.-4iC.4iD.-4-数学

题目详情

复数-(1-
1
i
)4
的值是(  )
A.4B.-4iC.4iD.-4
题型:单选题难度:偏易来源:不详

答案

∵1-class="stub"1
i
=class="stub"i-1
i

∴-(1-class="stub"1
i
)
4

=-(class="stub"i-1
i
)
4

=-
(i-1)4
i4

=-(4i2)
=4.
故选A.

更多内容推荐