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[函数] 含参绝对值的零点问题

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facebooker Posted at 2023-7-9 13:09:44 |Read mode

设$a\in R$,函数$f(x)=ax^2+|x^2-ax-1|$恰有三个零点，则$a$ 的取值集合为__

绝对值, 零点

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