名校
解题方法
1 . 已知点
在抛物线
上,则点
到直线
的距离和到直线
的距离之和的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b4e70ad712d8d6e2066e38093ad732e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41ccf22ae1da0f62c6e36e724cb4382.png)
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解题方法
2 . 点
分别是双曲线
的左、右焦点,点
在
上,且
,则
的面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c2bef5c293a098d46919de91c03aab.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/7285470bf401f5edaac641234ee6ff6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
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名校
3 . 已知
是抛物线
的焦点,
是
上的一个动点,设
到
轴的距离为
到点
的距离为
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ac6188f40414f76bc754dee4a75809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ba9e2f2932b3cfd0e707142ab2c915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e358239cdfa5078bcecf62bb1739577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a4b32d388558eb9a9e4f0f2dd57c09.png)
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4 . 已知
是两个空间向量,若
,
,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6648a5148ead8f095194658200ff8d32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5425c1285dedebd54480403a0111d62c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b478f888c9e400039e1732b3015c8b37.png)
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名校
解题方法
5 . 已知双曲线
的右支上有一点
,点
关于坐标原点对称的点为
为双曲线
的左焦点,且满足
,当
时,双曲线
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6640bb4ae84c81b1cce121cf072ea00f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c507610f462120218e2cd1894c957eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b136a8a14d2834a358ddee61514b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2024-03-04更新
|
498次组卷
|
4卷引用:陕西省部分学校2023-2024学年高二下学期开学摸底考试数学试卷
名校
6 . 设数列
为等比数列,其公比为
,已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b407e6239843a91ccbf713fde82c57a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfde6fb140bf5fc9ddb260bdc6303ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
您最近一年使用:0次
2024-03-03更新
|
497次组卷
|
2卷引用:甘肃省民勤县第一中学2023-2024学年高二下学期开学考试数学试题
7 . 已知数列
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd10288cbb57a3ff4ff2931a48a7c676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
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2024-03-01更新
|
433次组卷
|
2卷引用:湖南省常德市临澧县第一中学2023-2024学年高二下学期入学考试数学试题
名校
解题方法
8 . 直线
被圆
截得的弦长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a122da02cb904efd6a1d94780b3c1a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b078a316c55cb8aa5917e4ad739e715.png)
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2024-03-01更新
|
525次组卷
|
2卷引用:吉林省长春市第二实验中学2023-2024学年高二下学期开学测试数学试题
9 . 已知函数
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cd706da48b6021cccd94788724999c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5796cb312f7b2d7ccc0e5603e5dd0a2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
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解题方法
10 . 过点
且横截距是纵截距2倍的直线方程为______ .(写成一般式方程)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
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