一個問題 數學 想很久 - 拼圖

By Delia
at 2009-06-12T17:46
at 2009-06-12T17:46
Table of Contents
請數學好的人幫 幫我
這一題我算了好久
題目是 有一個2次函數 y=x^2+4ax+b
然後有一個區間 -1<x<1 然後對應 -1<y<2
求 a,b是多少?
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at 2009-06-15T15:22
at 2009-06-15T15:22

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at 2009-06-18T00:17
at 2009-06-18T00:17
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