名校
解题方法
1 . 以椭圆
的顶点为焦点,焦点为顶点的双曲线
,其左右焦点分别是
,
,已知点
的坐标为
,双曲线
上的点
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c512d0f07b1c2e03daabba3fad26433.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb4717d7fa6d522090c5e949f650bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f98cc91604915e15978a2714a22c4279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535a0115ee33532365030c5e29c8ab42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13675de10ee3866effcca8c6782cc2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c512d0f07b1c2e03daabba3fad26433.png)
您最近一年使用:0次
2018-01-09更新
|
523次组卷
|
3卷引用:上海市南汇中学2022届高三上学期12月月考数学试题
名校
解题方法
2 . 设
,
,
,且
,则
在
上的投影的取值范围是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/504af3d03655d3ad4a6ae7f55ad6d1bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1695034a4c212e5568fe41625fd2a417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59bca4c0ab83a3ca3b0ebf03281be74f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6096acdd2d0ce16e1e45397ec5e365d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
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2016-12-04更新
|
374次组卷
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2卷引用:上海市南洋模范中学2021-2022学年高二上学期初态考数学试题
名校
3 . 如图,△ABC的外接圆的圆心为O,AB=2,AC=3,
,则
________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e32513c66bca1e2d1706d50a6615df1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcebc0fee04bd074ac0848ba62e602c.png)
![](https://img.xkw.com/dksih/QBM/2016/1/15/1572435926630400/1572435932438528/STEM/ed101b839556488ea71710a408cb472c.png?resizew=108)
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2016-12-04更新
|
982次组卷
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3卷引用:2015-2016学年上海师大附中高二上期中数学试卷
2011高三·广东肇庆·专题练习
名校
4 . 已知|
|=|
|=2,
与
的夹角为60°,则
+
在
方向上的投影为 ______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23bd18136e4e71e1e267bc9f8634b932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec82bd4e0fb7887e5999b8220f60b073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23bd18136e4e71e1e267bc9f8634b932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec82bd4e0fb7887e5999b8220f60b073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23bd18136e4e71e1e267bc9f8634b932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec82bd4e0fb7887e5999b8220f60b073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23bd18136e4e71e1e267bc9f8634b932.png)
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2017-11-14更新
|
806次组卷
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4卷引用:上海市大同中学2018-2019学年高三上学期9月开学考试数学试题
上海市大同中学2018-2019学年高三上学期9月开学考试数学试题(已下线)2012届广东省肇庆市封开县南丰中学高三复习必修4测试C(已下线)2013届江西省吉安县二中高三高考考前热身考试理科数学试卷山东省德州市2017-2018学年高三年级上学期期中预测数学(文科)试题
5 . 已知
,向量
满足:
,求:
(1)向量
在向量
上的投影;
(2)向量
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07fcbfe058317db56fae22a3941da99.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516730486784/1572516736434176/STEM/1f5efa4a45f54cb687c01594bd89bb9f.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516730486784/1572516736434176/STEM/1f214d0da97345368210f50526dfa747.png)
(1)向量
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516730486784/1572516736434176/STEM/961754907e1c4dc3a9cbb6d4dead14b5.png)
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516730486784/1572516736434176/STEM/e4e39dc4675e405585f93b06a719ff41.png)
(2)向量
![](https://img.xkw.com/dksih/QBM/2016/3/3/1572516730486784/1572516736434176/STEM/a3eb6f6a6dff44bcb4c822d95f5fd8af.png)
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解题方法
6 . 已知
为由不等式组
,所确定的平面区域上的动点,若点
,则
的最大值为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65b69745dd58869801bfafe785c3580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d76072a4fb1fcf3dae7f5df33ac44b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cccb8d9d64aba4194db598a15077bc0.png)
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2016-12-03更新
|
1752次组卷
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4卷引用:2020届上海市静安区高三第二次模拟数学试题
2020届上海市静安区高三第二次模拟数学试题上海市静安区2020届高三下学期6月教学质量检测数学试题(已下线)考向20 简单的线性规划-备战2022年高考数学一轮复习考点微专题(上海专用)2015届辽宁省朝阳市三校协作体高三下学期开学联考理科数学试卷