[請問] 數學題
設x,y為實數,i=√-1,(x+yi)^2=i,求x· y=?
麻煩各位惹 對複數沒概念…
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※ 文章網址: https://www.ptt.cc/bbs/ask/M.1483084691.A.A47.html
※ 編輯: vh2627 (101.14.210.202), 12/30/2016 15:58:40
→
12/30 16:03, , 1F
12/30 16:03, 1F
推
12/30 16:10, , 2F
12/30 16:10, 2F
→
12/30 16:25, , 3F
12/30 16:25, 3F
→
12/30 16:27, , 4F
12/30 16:27, 4F
→
12/30 16:36, , 5F
12/30 16:36, 5F
※ 編輯: vh2627 (101.14.210.202), 12/30/2016 16:36:37
※ 編輯: vh2627 (101.14.210.202), 12/30/2016 16:37:51
→
12/30 16:38, , 6F
12/30 16:38, 6F
→
12/30 16:55, , 7F
12/30 16:55, 7F
→
12/30 16:58, , 8F
12/30 16:58, 8F
→
12/30 16:58, , 9F
12/30 16:58, 9F
→
12/30 17:04, , 10F
12/30 17:04, 10F
→
12/30 18:13, , 11F
12/30 18:13, 11F
→
12/30 18:13, , 12F
12/30 18:13, 12F
→
12/30 18:45, , 13F
12/30 18:45, 13F
→
12/31 03:18, , 14F
12/31 03:18, 14F
→
12/31 03:18, , 15F
12/31 03:18, 15F
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