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若圆x2+y2-4x-4y-10=0上至少有三个不同的点到直线l:ax+by=0...
若圆x
2+y
2-4x-4y-10=0上至少有三个不同的点到直线l:ax+by=0的距离为
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102448158051651/SYS201311031024481580516008_ST/0.png)
,则直线l的倾斜角的取值范围是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102448158051651/SYS201311031024481580516008_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102448158051651/SYS201311031024481580516008_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102448158051651/SYS201311031024481580516008_ST/3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102448158051651/SYS201311031024481580516008_ST/4.png)
考点分析:
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C.
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B.1:3
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