i为虚数单位,则(i+1i?1)2013=(  )A.-iB.-1C.iD.

i为虚数单位,则(i+1i?1)2013=(  )A.-iB.-1C.iD.1
2025-06-26 22:37:31
推荐回答(1个)
回答1:

(

i+1
i?1
)2013=(
(i+1)(?1?i)
(i?1)(?i?1)
)2013=(
?2i
2
)2013=(?i)2013=?i

故选A.