解题方法
1 . 已知空间三点
,
,
,则点
到直线
的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e8077ed88333e0a9f03ab92a91ba6c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca2648ac5eab4841d4425b214b2e3f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b491ce9a5371e8867ffe081736ed409f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
2 . 已知空间向量
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3c6bd21d9c27a68b970f446f04d6df.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90136425bd2ec9d496c1552053ac8560.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e1ff6581019388c8a340e2b2232d9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3c6bd21d9c27a68b970f446f04d6df.png)
您最近一年使用:0次
3 . 已知圆
:
与圆
:
相交于点A、B.①若
,则公共弦所在直线方程为_________ ;②若弦长
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76350eb70a02eabffe0bdb1813569c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e318cefab1d71238b6a770e9d5fe154e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5a64bcb77f5f64e4af6930c249a270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
解题方法
4 . 已知直线
:
,直线
:
,若
,则实数a的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e54f7af574f7841441313ce7314b16f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbdc33a36a47462ffffde2bdc0911614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027830fc47290062692964077ee481e4.png)
您最近一年使用:0次
5 . 已知双曲线
(
)的两个焦点为
,
,焦距为20,点P是双曲线上一点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e203545563ef6c33968cd9fab532638e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b60dfcadbbc0e20755f3f6c388ad7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.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/2167b8690e74e744417f3d2158a1b1d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e203545563ef6c33968cd9fab532638e.png)
您最近一年使用:0次
6 . 数列
的前n项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4555dca34cc0ad25f9648d19bcbb69da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
您最近一年使用:0次
7 . 设
为等差数列
的前
项和,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd228d062d4085e949535cc73bae014.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8657a9f3eec0c1b0efa818f778129e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdba8a48eec7c0b90e22fa478d8f0ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd228d062d4085e949535cc73bae014.png)
您最近一年使用:0次
8 . 已知抛物线
:
的焦点为
,过点
的直线
与抛物线E交于A,B两点,若直线
与圆
交于C,D两点,且
,则直线
的一个斜率为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a382e1d7bbf2d32101463a45603aca62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0de60c4de4c822fd22ca30897b61edb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2024-01-22更新
|
367次组卷
|
3卷引用:天津市部分区2023-2024学年高二上学期期末练习数学试题
名校
解题方法
9 . 矩形
中,
,
,且
分为
的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd0d84e7f64f2ad466051a7e1adf69f2.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e426224c3a3ce9bb5a731eed81c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd0d84e7f64f2ad466051a7e1adf69f2.png)
您最近一年使用:0次
2024-01-22更新
|
693次组卷
|
3卷引用:天津外国语大学附属河北外国语中学2023-2024学年高一下学期第一次月考数学试题
10 . 已知点A为抛物线
上一点(点A在第一象限),点F为抛物线的焦点,准线为l,线段AF的中垂线交准线l于点D,交x轴于点E(D、E在AF的两侧),四边形
为菱形,若点P、Q分别在边DA、EA上,
,
,若
则
的最小值为______ ,
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08c14e87a2bcf7090eab2fea73667d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d1074ae4cfaa6c7ab2eabe04bf97513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe7112901e241c4db02f538795d1b79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8b5ad14031c353573710741dc68549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bdbdec26c6aa6565eef79515056a036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ef5824baf830ec04377a49df11513c.png)
您最近一年使用:0次