名校
解题方法
1 . 已知集合
的所有三个元素的子集记为
.记
为集合
中的最大元素,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26d31d10fae4cf550a5e3901d46e97e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5324714e611596b628b408b46c3d660a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1602c6064af12eed3fd1291f8272d93c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc5c895153932c3e827a464664cef90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce10f03930e450cf3f593c65420988b2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-07更新
|
390次组卷
|
2卷引用:2020届四川省成都市蓉城名校联盟高三第二次联考理科数学试题
名校
解题方法
2 . 已知
,
分别为双曲线
的左、右焦点,点
在
上,若
,则
内切圆的半径为( )
![](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/1983309686915252c4efc8e4455b9d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d124b231bf2cd3746f35e6c68cd7178f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c043d5e847c15f00af2c4633949680.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
3 . 过点
作两条互相垂直的直线
和
,
与
轴正半轴交于点
,
与
轴正半轴交于点
,若
为线段
的中点,则
的最小值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7bd4e5049fa304e4d352bfe6dee455d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f257b71e2b7886aadf7f1ebc809c10b1.png)
A.![]() | B.4 | C.![]() | D.5 |
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2020-03-29更新
|
215次组卷
|
2卷引用:福建省泉州市2018-2019学年高二上学期期末数学(理科)试题
4 . 已知双曲线
的焦点为
,
,过
作直线
与双曲线
的右支交于点
,
两点.若
,
,则
的方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ef1ff0b6addca3494d762c7602c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b318fd3b68f7097a6ee94eb398ea7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3f6e365e362e00d0cfbec77fc9926c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc66bed6ce2d6ba6023e590dc78c9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 抛物线
与圆
在第一象限交点为
,抛物线
和圆
在
处的切线斜率分别为
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae3ab048431fdc75f9a2eef2a762f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
6 . 已知函数
图象在点
处的切线
与直线
垂直,若数列
的前
项和为
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d6dd8ae16ffcba53264d187a484aa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f84134092f31767ff9f7e8200a79fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ed34fb976d59e36f5ae68ba97f5ff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4278f08e6f3214494150c901e9e4e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5141cb64242b19d8db9041656e61b529.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-20更新
|
476次组卷
|
3卷引用:贵州省安顺市普通高中2018-2019学年高二上学期期末考试数学(文)试题
名校
7 . 连接双曲线
及
的4个顶点的四边形面积为
,连接4个焦点的四边形的面积为
,则当
取得最大值时,双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8664e94c5793590f8d478e20908317c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c14c6b8e4bcb68603f6c693d91ee493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-19更新
|
404次组卷
|
4卷引用:2020届吉林省高三第二次模拟数学理科试题
2020届吉林省高三第二次模拟数学理科试题四川省南充市白塔中学2019-2020学年高二下学期开学考试数学(文)试题(已下线)专题05 平面解析几何-2020年高三数学(理)3-4月模拟试题汇编陕西省汉中中学2021届高三下学期第十次模拟考试理科数学试题
名校
解题方法
8 . 已知数列
的前
项和为
,且
.若函数
是定义在
上的奇函数,且
,
,则
( )
![](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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1691553dc65c35c10fcd3dde9cd64514.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae2c7fbbc63e46847b9ca7aaa6d6dee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bafa19a574b9a0903814359f499d4657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c440bec7d40dd473c5abb7de6709bd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-17更新
|
568次组卷
|
2卷引用:吉林省盟校(东风二中、靖宇中学、通钢一中、白山一中、东辽一高)2018-2019学年高一下学期期中数学试题
名校
9 . 圆
的圆心到直线
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e8544c029429ee12594fd7ce711214e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069e268a6a42218564473836213fae11.png)
A.2 | B.![]() | C.![]() | D.![]() |
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2020-03-15更新
|
309次组卷
|
3卷引用:吉林省长春外国语学校2019-2020学年高二上学期期中考试数学(理)试题
名校
解题方法
10 . 设函数
,若
的值域为
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f27166e169ce6272668b0ba7b492981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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