[中學] 設z為複數,若z^2-1/z^2=2i,則z+1/z=?
可以詳解嗎?謝謝!
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 59.105.85.142
※ 文章網址: http://www.ptt.cc/bbs/Math/M.1417245318.A.3BF.html
推
11/29 15:43, , 1F
11/29 15:43, 1F
推
11/29 15:58, , 2F
11/29 15:58, 2F
![](https://i.imgur.com/gWFMsmV.jpg)
→
11/30 10:26, , 3F
11/30 10:26, 3F