作者查詢 / k2604810
作者 k2604810 在 PTT [ Math ] 看板的留言(推文), 共7則
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18F推: 1樓神解 但我有疑問 用了原PO的算法09/09 02:46
19F→: 解出了a=1(對應k=1) 和a=(1±根號2)(對應k=5)09/09 02:47
20F→: 即便符合題目要求(k是實數 兩根相加=2) 但還是算出09/09 02:48
21F→: 另一個錯誤的答案 不知道哪一步算錯了09/09 02:48
23F推: 恩...分解時確實無法如假設般分解(沒有1重根)09/09 03:07
24F→: 所以除非驗算到極致 否則就找不出錯誤了是嗎09/09 03:07
25F→: 真想知道錯誤到底出現在哪~"~09/09 03:07
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