在
中,
,
,
与
交于点
,若
,则
的值为__________ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dfd76585cf7eece74fdd50acefd1ada.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
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2022·黑龙江哈尔滨·模拟预测 查看更多[4]
黑龙江省哈尔滨市第三中学校2022-2023学年高三上学期阶段性测试(三)数学试题(已下线)专题03 平面向量小题全归类(精讲精练)-1(已下线)专题5-1 平面向量中的高频小题归类-3黑龙江省哈尔滨市第三中学校2022-2023学年高三上学期阶段性测试数学试题
更新时间:2022-11-30 19:54:42
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【推荐1】
在线段
的反向延长线上(不包括端点),且
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【推荐2】已知
,
是椭圆
的左、右焦点,过右焦点
的直线l与椭圆交于A,B两点,且满足
,
则该椭圆的离心率是_______ .
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【推荐1】在平行四边形
中,
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,
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为
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,则
的长为________ .
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【推荐2】设
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上的点,
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的值为__________ .
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【推荐3】正
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分别相交于点
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;
②若
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不是定值,与直线
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④
的最小值为
.
其中所有正确结论的序号是______ .
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①
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②若
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③
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④
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其中所有正确结论的序号是
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【推荐1】已知A,B,C三点共线,若
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______ .
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【推荐2】在
中,点
是
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上,且
,
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