名校
1 . 已知集合
的子集个数为
.
(1)求
的值;
(2)若
的三边长为
,证明:
为等边三角形的充要条件是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ce22a79915802052a731ea4eb70a1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8858e7b26a1860f4c4e0da7da33bbada.png)
您最近一年使用:0次
2023-10-13更新
|
136次组卷
|
8卷引用:江西省吉安市2023-2024学年高一上学期期中联考数学试题
名校
解题方法
2 . 已知二次函数
.
(1)若等式
恒成立,其中
,
,
为常数,求
的值;
(2)证明:
是方程
有两个异号实根的充要条件;
(3)若对任意
,不等式
恒成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
(1)若等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e712bf30e058bf1d343f46a7b5205db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432793c48a89aa2568c884f0283c5a9a.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4944b18a1daae0480089124e5551107f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
(3)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e72f73a14e6449fe4a18bd0fa9b739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623df532d1c7a31036b5d6e2aee98756.png)
您最近一年使用:0次
2023-10-09更新
|
755次组卷
|
4卷引用:上海师范大学附属中学闵行分校2023-2024学年高一上学期期中数学试题
上海师范大学附属中学闵行分校2023-2024学年高一上学期期中数学试题上海市莘庄中学2023-2024学年高一上学期10月月考数学试题四川省仁寿第一中学校南校区2023-2024学年高一上学期第二次质量检测(10月)数学试题(已下线)高一上学期期末考试解答题压轴题50题专练-举一反三系列
解题方法
3 . 已知定义在R上的函数
,
(1)求证:
是
图象关于直线
对称的充要条件;
(2)若函数
满足
,且在
单调递增,求解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1576c2056a224c7e4ea25f73963979e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/935799b8d9f3de0c021e2a7df70d96f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b50afbb876722239c68f8f4487d77f.png)
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4 . 记
表示数组:
中的最大值.
(1)判断函数
,
的奇偶性,并说明理由;
(2)讨论函数
,
的基本性质:奇偶性、单调性、周期性、最值与零点(不需要证明);
(3)已知函数
,
与
都定义在实数集
上,且函数
是单调递增函数,
是周期函数,
是单调递减函数,求证:
是单调递增函数的充要条件是:对任意
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a6c3f9ff96135c3112eb0722a49fde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdad82da7716ad54dce59498939f2847.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8decb9dc937cf94cdc60804b8fe231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd3093c2a49e48eb516c7a8a19e6811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afdbd1393dbbc290e0da1ec70512ebc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b90551ed750a9e91f39d9b5079d9fef.png)
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名校
5 . 求证:等式
对任意实数
恒成立的充要条件是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbbaf46e9fbb930f2c1c7e0d81190070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec0a4c077064b7127b79058c8e9906e.png)
您最近一年使用:0次
2023-01-04更新
|
631次组卷
|
7卷引用:上海市复旦中学2021-2022学年高一上学期期中数学试题
上海市复旦中学2021-2022学年高一上学期期中数学试题(已下线)第04讲 充分条件与必要条件-【暑假自学课】(人教A版2019必修第一册)(已下线)专题1.4 充分条件与必要条件-举一反三系列(已下线)第2章 常用逻辑用语 章末题型归纳总结(1)-【帮课堂】(苏教版2019必修第一册)(已下线)专题2.2 充分条件、必要条件、充要条件(1)【帮课堂】苏教版2019必修第一册(已下线)高一上学期期中复习【第一章 集合与常用逻辑用语】九大题型归纳(拔尖篇)-举一反三系列((已下线)专题05等式与不等式的性质-【倍速学习法】(沪教版2020必修第一册)
6 . 已知函数
的定义域为
,若存在实常数
及
,对任意
,当
且
时,都有
成立,则称函数
具有性质
,集合
叫做函数
的
性质集.
(1)判断函数
是否具有性质
,并说明理由;
(2)若函数
具有性质
,求
的
性质集;
(3)已知函数
不存在零点,且当
时具有性质
(其中
,
,若
,求证:数列
为等比数列的充要条件是
或
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a12ea6f9d2bbcc5a3d7980dbe79922d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c014d6dd9b1ba0c145f08767a6f522b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c4c03f81039abf2fec0d1d504e7d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20f286eb44376529536cb565226f4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf258083f3ba72e36f9f81a3be49253f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e129f6444afd8eeb9b4ef515c8b1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318a16f1950d06e5500c76d8f81a507f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf258083f3ba72e36f9f81a3be49253f.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce0124a8d88fa8c96b9edd71e7c6c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf258083f3ba72e36f9f81a3be49253f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aadca495170cd7e3df7c4e694af951f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d92fe568c519ab69cfe6088070ea17c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de91c2b6db5109664f50994335fa4b93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78cac409e814b614cb060b6fc41caa85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389662f03137dce5ad957894ea7d6d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808ef8edf6546fb634a902d50545aaed.png)
您最近一年使用:0次
名校
解题方法
7 . 令
.
(1)若
,
,试写出
的解析式并求
的最小值;
(2)已知
是严格增函数,
是周期函数,
是严格减函数,
,求证:
是严格增函数的充要条件:对任意的
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f389d2b2ea67586fa18c9362e6621b9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1723a3672a6d29807750ac7803ec379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ddac37d332169a34598a63b4634b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcafc95a0527841c29a58d4f7d85e232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcafc95a0527841c29a58d4f7d85e232.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef80b434078bf063f1f4c958be301871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b90551ed750a9e91f39d9b5079d9fef.png)
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真题
名校
8 . 已知
,函数
.
(1)当
时,若对任意
都有
,证明:
;
(2)当
时,证明:对任意
的充要条件是
;
(3)当
时,讨论:对任意
的充要条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5606d3f86a211f13fa74b955a634cab0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66d61d5f66d68b4c4a2a25fd7103621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e333ce67e47ca86f2737c6426e00c6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731bdc8d2686a05f12a2ba8a7e3b01be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f56cb960a5c1426f13b49cbd7b3981a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b41da54debbb3f80eddedf2d0eacf4.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14a2671cb729ab8919ad06008671d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f56cb960a5c1426f13b49cbd7b3981a6.png)
您最近一年使用:0次
2022-11-09更新
|
347次组卷
|
3卷引用:上海市实验学校2023-2024学年高一上学期期中数学试题
名校
解题方法
9 . 设椭圆Γ:
的左、右焦点分别为
.直线l若与椭圆Γ只有一个公共点P,则称直线l为椭圆Γ的切线,P为切点.
(1)若直线l:y=x+2与椭圆相切,求椭圆的焦距
;
(2)求证:椭圆Γ上切点为
的切线方程为
;
(3)记
到直线l的距离为
,
到直线l的距离为
,判断“
”是“直线l与椭圆Γ相切”的什么条件?请给出你的结论和理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b24214f111f7c6d2b64e53ad970438b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
(1)若直线l:y=x+2与椭圆相切,求椭圆的焦距
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdfc6a59392d1ac3cd89ddc0308864c.png)
(2)求证:椭圆Γ上切点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d909b1e23e983a34126882a80b0023.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de5de39f1ef8cc3634ddea5145e2e3de.png)
您最近一年使用:0次
2022-11-06更新
|
234次组卷
|
4卷引用:上海市上海交通大学附属中学2022届高三下学期期中数学试题
上海市上海交通大学附属中学2022届高三下学期期中数学试题(已下线)专题14 圆锥曲线切线方程 微点3 圆锥曲线切线方程综合训练(已下线)专题12平面解析几何必考题型分类训练-42.1 椭圆 测试卷-2022-2023学年高二上学期数学北师大版(2019)选择性必修第一册
名校
10 . 对于无穷数列
,若存在正整数
,使得
对一切正整数
都成立,则称无穷数列
是周期为
的周期数列.
(1)已知无穷数列
是周期为
的周期数列,且
,
,
是数列
的前
项和,若
对一切正整数
恒成立,求常数
的取值范围;
(2)若无穷数列
和
满足
,求证:“
是周期为
的周期数列”的充要条件是“
是周期为
的周期数列,且
”;
(3)若无穷数列
和
满足
,且
,是否存在非零常数
,使得
是周期数列?若存在,请求出所有满足条件的常数
;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2b94cbf8f1acc77ed2618d9ba5756a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)已知无穷数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f966272f7781790ff27e40db6b525253.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/5e1d3ed9699bf56ccc146e06d5381d23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若无穷数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5653b60d16ec4e653518f0562680250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ba9e15ff7b6464b9668c4300a1e552b.png)
(3)若无穷数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5653b60d16ec4e653518f0562680250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00886c597a40dfcbbad7efffc545c466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-11-05更新
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7卷引用:上海市晋元高级中学2022-2023学年高二上学期期中数学试题
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