1 . 已知
是椭圆
的左顶点,
是椭圆上不同的两点.
(1)求椭圆
的焦距和离心率;
(2)设
,若
,且
、
、
和
、
、
分别共线,求证:
三点共线;
(3)若
是椭圆
上的点,且
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/006b6c6b0dfe51fecefaf968caa76a7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fdba6247e0c463c1ba25fba6b729c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37434d74d75a9d6d5180670d76f98c7.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9b682ff883411d3cffe30f929c2683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a84ca43baf937e49a9d06b1567ece94.png)
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2023·上海浦东新·三模
名校
解题方法
2 . 在直角坐标平面内,横,纵坐标均为整数的点称为整点,点P从原点出发,在直角坐标平面内跳跃行进,每次跳跃的长度都是5且落在整点处.则点P到达点
所跳跃次数的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2c5bc0144652fb6147df56a61c1d11.png)
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3 . 函数
沿着向量
平移后得到函数
,则向量
的坐标是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1491ed5143d13f9e1e463472c0e5412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0d9b658bf92c03acc0918ffb29a4f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
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名校
4 . 已知
是平面内的三个单位向量,若
,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea5dc25468d12bac2f3d38fe60a3487.png)
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2023-05-24更新
|
1419次组卷
|
9卷引用:上海市上海师范大学附属中学2019-2020学年高二上学期期中数学试题
上海市上海师范大学附属中学2019-2020学年高二上学期期中数学试题辽宁省大连市第二十四中学2023届高三第六次模拟考试数学试卷(已下线)专题突破卷14 平面向量的最值范围问题辽宁省东北育才学校科学高中部2023-2024学年高二上学期第一次月考数学试题(已下线)考点09 直线与圆的最值问题 2024届高考数学考点总动员【练】(已下线)重难点突破02 向量中的隐圆问题(四大题型)(已下线)第02讲 两条直线的位置关系(练习)(已下线)第04讲 直线与圆、圆与圆的位置关系(九大题型)(讲义)-2(已下线)【类题归纳】代数表达 数形结合
名校
解题方法
5 . 已知
、
是同一平面内的两个向量,其中
,
.
(1)求
与
的夹角
;
(2)若
与
的夹角为锐角,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f99645c5aa5800b219c4d9f0baebcd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2b0627ff70b02aa16b007dc41794dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2023-05-13更新
|
417次组卷
|
2卷引用:上海市奉贤中学2022-2023学年高一下学期期中数学试题
名校
解题方法
6 . 如图,
中,
,
,CD与BE交于F,设
,
,
,则
为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50196d293a863fe2f9e46199052ab8c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31bff282716d50968c13f80055ba78ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b9d8a08fc52c31cc1a7f527d18b55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f386f5b56b07b96f2600da1be15414a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c0436ae921e6faed99372a71ebebf2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
您最近一年使用:0次
名校
7 . 在平面直角坐标系中
,
,设点
,
是线段AB的n等分点,其中
,
.
时,使用
,
表示
,
;
(2)当
时,求
的值;
(3)当
时,求
(
,
,i,
)的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cba284d675a3028d7a8d54f1f8ae70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d12508f3062ac9fbeb727ab4ac831b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4613271f782a90ab580131d09d03d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96cb7ee166966ed0b1605c263e433cf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc77d6da6e8f3ad5c239e7cc6c9930c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ea0392d4bd0374c8a2b12a355e4655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17691e34828db203ede1ffc24af4b24a.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe08722cf9300fe188dbbb71989c06c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5503a0d6627fd86aace4915d205ba4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9612cb52aacd0b66fc1ba1297267c9c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fffa76fee075ec824d689b610c11bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b643548ba75f6577d6cc30c23efcf7b1.png)
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2023高三·上海·专题练习
解题方法
8 . 已知非零平面向量
不平行,且满足
,记
,则当
与
的夹角最大时,
的值为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9697c46bd7150b6e493b5104b07ac50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49ff6e41c2fc6fc368b44347d18384b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402e6546bafcdc2e485d928458e31ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e6f98f23fea7db0f74897928024ca0.png)
您最近一年使用:0次
名校
解题方法
9 . 已知点
在圆
上运动,且
,若点
的坐标为
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf27dab3bb6650d6377d6a267048afc.png)
您最近一年使用:0次
2023-05-07更新
|
1480次组卷
|
5卷引用:上海市华东师范大学第二附属中学2023届高三三模数学试题
(已下线)上海市华东师范大学第二附属中学2023届高三三模数学试题北京市昌平区2023届高三二模数学试题北京卷专题22平面解析几何(填空题部分)北京卷专题15平面向量(填空题)(已下线)2023高考考前突破选填专题(北京)
名校
解题方法
10 . 设平面向量
,
,
满足:
,
,
,
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6316d995f00623f05fc3d56a6cbe5f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc701aa94927107a501949e9d0276ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c749bf931067fe018d6c0cd1f1d17c96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/268fe574527c11debe6c1405cbaa9535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02b6dc155bdebf08f4b89c1fe0d64ad.png)
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