名校
解题方法
1 . 已知
,
.
(1)求
在
上的最小值;
(2)求曲线
在
处的切线方程
,并证明:
,都有
;
(3)若方程
有两个不相等的实数根
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b6a91900d0dfa6296cdee22fdd6fe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea17ec8f211e8be2571fbcce23e04eb8.png)
(2)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23a03ca8f1729bfcadf513784817fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3add1679c27392a1a7f635723a4b36eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8013645996eb5766aaf7de48d243d1de.png)
您最近一年使用:0次
名校
2 . 设l为曲线C:
在点
处的切线.
(1)求l的方程;
(2)证明:除切点
之外,曲线C在直线l的下方;
(3)求证:
(其中
,
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7071d5bd0a9c62c880700cb16826df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
(1)求l的方程;
(2)证明:除切点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989c2c26e0faafc868b46ee921721cd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
您最近一年使用:0次
2020-03-05更新
|
931次组卷
|
2卷引用:安徽省六安市舒城中学2019-2020学年高二下学期第一次月考数学(理)试题
3 . 已知数列
满足
(
),
,记数列
的前
项和为
,
.
(I)令
,求证数列
为等差数列,并求其通项公式;
(II)证明: (i)对任意正整数
,
;
(ii)数列
从第2项开始是递增数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284faa5b6166472185a95972d0ae54a7.png)
![](https://img.xkw.com/dksih/QBM/2015/6/25/1572145364770816/1572145370537984/STEM/78bdb5860d7e40fe9f9cd90567816904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bae03ee4ac75dacfb026290e4207dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.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/b23ec8f38c74c1862f1c3f2e9755e1aa.png)
(I)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8c256e1e4a2d360cf28c3d116ca33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
(II)证明: (i)对任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e684d79586650d260708770d8557582.png)
(ii)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c88a7ef007c78a93e33bd77c4396626.png)
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名校
解题方法
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4426c3b6aa8912905c67d9a26d07083a.png)
(1)若
恒成立,求
的值;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4426c3b6aa8912905c67d9a26d07083a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/226648ae7c1bc686358268a0cdc12ef4.png)
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5 . 已知圆C过点
,
,
.
(1)求圆C的标准方程;
(2)若过点C且与x轴平行的直线与圆C交于点M,N,点P为直线
上的动点,直线PM,PN与圆C的另一个交点分别为E,F(EF与MN不重合),证明:直线EF过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc43e72034cfce8e9d75b55c537287c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7ffc33191f71a87fc60694a54227ac.png)
(1)求圆C的标准方程;
(2)若过点C且与x轴平行的直线与圆C交于点M,N,点P为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da322ac8867e8a47c6588601078abf18.png)
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解题方法
6 . 已知函数
.
(1)若
恒成立,求实数
的范围;
(2)证明:对任意正整数
,都有不等式
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1493108f817416357bac9d005efc8714.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/970a690ef0d11e190085698227c9f5a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:对任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0ddc1d611ba65f4960c2c15ce28f60.png)
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7 . 已知函数
,
,
有两个零点
,
.
(1)若
,求
的最小值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23d03f36d61139bad5c18f55d978112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b586fb1043595a3dc45e21e3497dea13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587ff1ef10c9c8ba55de8cfa7711c70a.png)
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名校
解题方法
8 . 已知椭圆
的左右焦点分别为
,
,离心率为
,且经过点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/ea383711-b0cd-4412-a396-5c4476675056.png?resizew=171)
(1)求椭圆
的方程;
(2)若经过
的直线
与椭圆
交于A,C,经过
的直线
与椭圆
交于B,D,
与
交于点P(点P在椭圆
内),求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68bb5c162e571e74b17e9e95979a36c1.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/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/148d8be163b9aae8a4c2f7edbe9ef0da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/ea383711-b0cd-4412-a396-5c4476675056.png?resizew=171)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)若经过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.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/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e7c0b13b16c5b810f8b46db152e6b0.png)
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9 . 设
是坐标平面
上的一点,曲线
是函数
的图象.若过点
恰能作曲线
的
条切线
,则称
是函数
的“
度点”.
(1)判断点
与点
是否为函数
的1度点,不需要说明理由;
(2)已知
,
.证明:点
是
的0度点;
(3)求函数
的全体2度点构成的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0963e06ca1a0aa7899759b13bab7db21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)判断点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2071086f9c57d5b02520606c56cf372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976581d4a974fe50f9f29d430c1289f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c955376eaa10efc765563bf426634df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e43dac42d94c14cdb71b4f9a6e97a7e.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d0660d4864c16652a6b27337462b3f1.png)
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2024-01-13更新
|
1159次组卷
|
10卷引用:安徽省安庆市第一中学2022-2023学年高二下学期第二次段考数学试题
安徽省安庆市第一中学2022-2023学年高二下学期第二次段考数学试题上海市松江一中2022-2023学年高二下学期5月月考数学试题上海市浦东新区2023届高三二模数学试题(已下线)专题02 函数及其应用(已下线)重难点04导数的应用六种解法(1)(已下线)专题19 导数综合-2江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(六)江苏省姜堰中学2024届高三下学期阶段性测试(2.5模)数学试题(已下线)压轴题01集合新定义、函数与导数13题型汇总-2上海市向明中学2024届高三下学期三模测试数学试卷
10 . 已知函数
,
.
(1)当
时,讨论函数
的零点个数;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74f1a4f291b7fe044eda9f1fcfed046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3854deca0dcf467a05c1b5b13d5889bb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64e7031bee2e8c8eee7dd0ccef3b81b3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725917cf8a2f0b57bbffe8cbe01c57fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1129231ad4dc4e7957662764d6270dfd.png)
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2023-10-07更新
|
278次组卷
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2卷引用:皖豫名校联盟2024届高中毕业班高三上学期10月大联考数学试题