![](https://i.imgur.com/eqSkfgt.jpg)
[中學] 虛數消失
![](https://i.imgur.com/eqSkfgt.jpg)
想請問第一題
我怎麼算答案都是(a^5)i
哪裡錯了?
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※ 文章網址: https://www.ptt.cc/bbs/Math/M.1479310226.A.379.html
※ 編輯: decfrvgtbhyn (1.170.207.63), 11/16/2016 23:30:44
※ 編輯: decfrvgtbhyn (1.170.207.63), 11/16/2016 23:31:37
→
11/16 23:44, , 1F
11/16 23:44, 1F
推
11/16 23:46, , 2F
11/16 23:46, 2F
→
11/16 23:46, , 3F
11/16 23:46, 3F
→
11/16 23:48, , 4F
11/16 23:48, 4F
推
11/17 00:12, , 5F
11/17 00:12, 5F
要怎麼算?
※ 編輯: decfrvgtbhyn (1.170.207.63), 11/17/2016 00:14:32
推
11/17 01:25, , 6F
11/17 01:25, 6F
→
11/17 10:18, , 7F
11/17 10:18, 7F
推
11/19 10:25, , 8F
11/19 10:25, 8F
推
11/20 18:27, , 9F
11/20 18:27, 9F
→
11/20 18:30, , 10F
11/20 18:30, 10F
→
11/22 01:46, , 11F
11/22 01:46, 11F
討論串 (同標題文章)