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已知a>0且a≠1,f(x)=x2-ax,当x∈(-1,1)时均有f(x)<,则...
已知a>0且a≠1,f(x)=x
2-a
x,当x∈(-1,1)时均有f(x)<
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,则实数a的取值范围是( )
A.
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∪[2,+∞)
B.
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∪(1,4]
C.
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∪(1,2]
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131025124017969513197/SYS201310251240179695131011_ST/4.png)
∪[4,+∞)
考点分析:
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D.
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