1 . 设点A,B的坐标分别是
,
,直线AM,BM相交于点M,且它们的斜率之积是
,点M的轨迹方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2f59980057f51e5cf3e86038cfaa16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b569572c8d9bf05d78d3ab741e68bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b889efe020137b112bfafaa8e0becda4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
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4卷引用:2015-2016学年山西省孝义市高二上学期期末考试文科数学试卷