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如果关于x的一元二次方程k2x2-(2k+1)x+1=0有两个不相等的实数根,那...
如果关于x的一元二次方程k
2x
2-(2k+1)x+1=0有两个不相等的实数根,那么k的取值范围是( )
A.k>
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B.k>
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022163850606518532/SYS201310221638506065185007_ST/1.png)
且k≠0
C.k<
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D.k≥
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022163850606518532/SYS201310221638506065185007_ST/3.png)
且k≠0
考点分析:
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