1 . 在平面直角坐标系
中,
,
分别是椭圆
的左、右焦点,直线
与椭圆交于不同的两点
、
,且
.
(1)求椭圆
的方程;
(2)已知直线
经过椭圆的右焦点
,
是椭圆上两点,四边形
是菱形,求直线
的方程;
(3)已知直线
不经过椭圆的右焦点
,直线
,
,
的斜率依次成等差数列,求直线
在
轴上截距的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/55c416b62af303da52bbbdcd548877d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/a3b40d44b5d52c4dac041d202ee4a0a9.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/712d9d9e29645c1df6ae23125b4aa1cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3656055f5256cd06e636ea96e9f89c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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名校
2 . 已知
,
(1)求
在
处的切线方程以及
的单调性;
(2)对
,有
恒成立,求
的最大整数解;
(3)令
,若
有两个零点分别为
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
且
为
的唯一的极值点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc98c4598df849926107651af046548.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0e7e0b498ba4672a6dc1ba6da06f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7244369ea0de79b5b88350496ddb84a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edbc063cf84c5e76ad9e2cbdf6325ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8c8fa3336aaaea3c48f9245b135022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04ddd92ea0665845393e47f4b4a7679.png)
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2020-02-01更新
|
3021次组卷
|
17卷引用:2020届天津市滨海新区高考二模数学试题
2020届天津市滨海新区高考二模数学试题上海市格致中学2023届高三三模数学试题2020届天津市高三上学期期末六校联考数学试题2019届天津市东丽区军粮城第二中学高三上学期12月月考数学试题(已下线)专题04 巧妙构造函数,应用导数证明不等式问题(第一篇)-2020高考数学压轴题命题区间探究与突破天津市第四中学2020-2021学年高三上学期第三次月考数学试题天津市十二校联考2022届高三下学期一模数学试题天津市第一中学2021届高三下学期第四次月考数学试题(已下线)第五章 一元函数的导数及其应用(提高卷)-《阳光测评》2020-2021学年高二数学单元提升卷(人教A版2019选择性必修第二册)天津市静海区第六中学2021-2022学年高三上学期第三次月考数学试题浙江省杭州学军中学西溪校区2021-2022学年高二下学期4月期中数学试题(已下线)高中数学 高二下-4天津市西青区杨柳青第一中学2022-2023学年高三上学期第一次适应性测试数学试题天津市宝坻区第一中学2022-2023学年高三上学期第二次阶段性练习数学试题天津市第三中学2022-2023学年高三上学期期末数学试题(已下线)天津市南开中学2023届高三下学期第五次月考数学试题 天津市第四十七中学2023-2024学年高二下学期5月期中数学试题
名校
3 . 定义在
上的函数
,如果满足:对任意
,存在常数
,都有
成立,则称
是
上的有界函数,其中
称为函数
的上界.
(1)设
,判断
在
上是否为有界函数,若是,请说明理由,并写出
的所有上界
的集合;若不是,也请说明理由;
(2)若函数
在
上是以
为上界的有界函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3bf4a061df1b809e76b7b958542d094.png)
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50d1a15a360fb1f18366a7a6a34e7833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/382140af170f4dd36c1f0b0bb05fb156.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f2ef5bd646dc09f315df822244d059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05045be5b0a663fb091a197d51b9c4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-02-02更新
|
366次组卷
|
6卷引用:2016届上海市宝山区高考二模(理科)数学试题
名校
4 . 已知
满足曲线方程
,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a570a108b516b1f62e97874932d896b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ebc856291255f2d4a6c20b982a2442.png)
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2020-01-10更新
|
362次组卷
|
3卷引用:2017年上海市闵行区高三上学期期末教学质量调研(一模)数学试题
名校
5 . 已知函数
在区间
上的最大值为10.
求a的值及
的解析式;
设
,若不等式
在
上有解,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d57cba1c031b55da9f48870d96870c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceb3db3cb58b32c2aa8141adb5d1a0ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8953f1f9980a13d21dbacd5da62480f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee964455d4bfce0dcfdea2109fe74d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24a4a3cdbe7027091c8502303420963.png)
您最近一年使用:0次
2019-03-31更新
|
780次组卷
|
3卷引用:上海市普陀区2019届高三3月模拟练习(二模)数学试题
6 . 已知函数
,
.
(1)若
,且直线
是曲线
的一条切线,求实数
的值;
(2)若不等式
对任意
恒成立,求
的取值范围;
(3)若函数
有两个极值点
,
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da86c33fca8699b4236f19a10de2f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3098132e134a6cd6c8f4e746b715aadf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1dcdfce4e67213937b00a44b0c8412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29028024edc7214e60958964d9dd9643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64a5d256cb04306e6ffcd990ef3a556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-01-28更新
|
887次组卷
|
4卷引用:上海师范大学附属外国语中学2023届高三模拟数学试题
名校
7 . 已知两正实数
,满足
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663a61ad241d5d874c9a9362f0ee917c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b40b1544e62be8b9e9f4dc9f2c0c74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/899b89438f9dcb97dd190c2714aac3e3.png)
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2017-10-12更新
|
2509次组卷
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3卷引用:上海市交通大学附属中学2018届高三上学期开学摸底考试数学试题
名校
8 . 在△
中,
、
分别是
、
的中点,
是直线
上的动点.若△
的面积为
,则
的最小值为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289d7a880379d6060065c829b45b0ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414656636a840bbb9a031d6103239fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70169744ac9bc72a129c17e074929576.png)
![](https://img.xkw.com/dksih/QBM/2017/7/31/1742215806017536/1742630158966784/STEM/91be6aa98ab14e909371c33248904da2.png?resizew=165)
您最近一年使用:0次
2017-08-01更新
|
2147次组卷
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5卷引用:上海市普陀区2017届高三下学期质量调研(二模)数学试题
上海市普陀区2017届高三下学期质量调研(二模)数学试题2017届上海市普陀区高考二模数学试题(已下线)上海市华东师范大学第二附属中学2018-2019学年高二上学期10月月考数学试题上海市建平中学2017-2018学年高三上学期9月月考数学试题(已下线)上海市浦东新区华东师范大学第二附属中学2017-2018学年高二上学期10月月考数学试题