為偶函數(shù),且m為整數(shù),
則m^2-2m-3為偶數(shù),故m為奇數(shù)
在x
已知冪函數(shù)f(x)=x^m²-2m-3（m∈z）為偶函數(shù),且在（-∞,0）上是增函數(shù),求f（x）
已知冪函數(shù)f(x)=x^m²-2m-3（m∈z）為偶函數(shù),且在（-∞,0）上是增函數(shù),求f（x）
數(shù)學人氣：427 ℃時間：2019-11-01 20:23:23
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