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(理科)已知两点A(3,2)和B(-1,4)到直线mx+y+3=0距离相等,则m...
(理科)已知两点A(3,2)和B(-1,4)到直线mx+y+3=0距离相等,则m值为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024183424673815191/SYS201310241834246738151008_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024183424673815191/SYS201310241834246738151008_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024183424673815191/SYS201310241834246738151008_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131024183424673815191/SYS201310241834246738151008_ST/3.png)
考点分析:
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