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Clearnote
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Senior High
Mathematics
求解D,E選項
Mathematics
Senior High
9 monthsago
yuuu🐋
求解D,E選項
VI 歷屆試題 03 17.設f'(x)表示實係數多項式函數f(x)的導函數,已知y=f'(x)的圖形是一個通過點 (1,0)點(2,0)且開口向上的拋物線。試問下列哪些選項是正確的?(多選) (A)f(x)一定是三次多項式 (B)f(x)在1<x<2的範圍內必為遞增 f'(x)>0 (C)f(x)一定恰有兩個極值 x=land 2 (D)f(x)=0一定有三個實根 (E)f(x)=0在1≤x≤2的範圍內一定有實根 AC。 【97指考甲
微分
Answers
車神
9 monthsago
舉反例
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