13-14高二上·福建三明·期末
1 . 已知
:“直线
与圆
相交”;
:“方程
的两根异号”.若
为真,
为真,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465190969344/1572465196744704/STEM/175896990e2342fcb3503322d35c50c8.png)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465190969344/1572465196744704/STEM/b13d460344054d61b10aa23f82376f31.png)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465190969344/1572465196744704/STEM/bb4efcb2238447daadb7478d7317feb8.png)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465190969344/1572465196744704/STEM/202412381aa348299599118b10aea0ec.png)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465190969344/1572465196744704/STEM/1106c63dcafb4037bbf13a7d093531af.png)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465190969344/1572465196744704/STEM/f87058aa82964f97a8b54daeac5d3f21.png)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465190969344/1572465196744704/STEM/a3a0e52954544062aa9a0a9a8691ac39.png)
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572465190969344/1572465196744704/STEM/5d9382ae5ba7406eba608b400f7d067b.png)
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2016-12-02更新
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3卷引用:2015-2016学年内蒙古巴彦淖尔一中高二上期中理科数学卷
2015-2016学年内蒙古巴彦淖尔一中高二上期中理科数学卷2015-2016学年内蒙古巴彦淖尔一中高二上期中文科数学卷(已下线)2012-2013学年福建省三明一中、二中高二上学期期末联考理科数学卷