1 . 已知
是椭圆:
的长轴,若把该长轴2010等分,过每个等分点作
的垂线,依次交椭圆的上半部分于
,设左焦点为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f67f18d907450fd8c46b512d79306ab3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13bd4f295a15c12228098538ea91e693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8689cb86f75d58242452f1e8129039f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f67f18d907450fd8c46b512d79306ab3.png)
您最近一年使用:0次
2 . 设
,
分别是椭圆
的左右焦点,
为椭圆的下顶点,
为过点
,
,
的圆与椭圆
的一个交点,且
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8ec602ab25398355a53eab6b28db0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f434c9d1e243f90bd9c5eac037017802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/4ba0882c-9034-477c-acbe-953ee046a044.png?resizew=239)
您最近一年使用:0次
2019-04-04更新
|
1514次组卷
|
2卷引用:【市级联考】山东省济南市2019届高三3月模拟考试数学(文)试题