名校
1 . 已知抛物线
(
)的焦点为
,过
作一条直线
与抛物线
相交于
、
两点.
(1)若直线
的倾斜角为
,请用
表示
、
两点之间的距离;
(2)若点
在抛物线
的准线上的射影为点
,求证:
、
、
在同一条直线上;
(3)在
轴上是否存在点
,使得点
关于直线
的对称点在抛物线
上?如果存在,求出所有满足条件的点
的坐标;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df40ba57bb5819b4aaa38d514500052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)若函数
在
上单调递增,求实数
的取值范围;
(2)
时,求证
恒成立;
(3)存在
,使得
时
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/065eac636a4505c5992df092f9c2f638.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7393fc425948d4261bb6c7d67f88e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(3)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f702bfe1a376398286f1dc3daf8c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94017dbf6f5c00103ad7988eefca24b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
3 . 已知函数
.
(1)若函数
在定义域上单调递增,求实数
的取值范围;
(2)若
存在两个极值点
,且
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab6d16db5824268a74c51680b655329.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb0a7e88ca92464dfe72eb99980b902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/021d7d15f65dbda5065ce60f4ce16776.png)
您最近一年使用:0次
2021-07-31更新
|
388次组卷
|
3卷引用:广东省汕尾市2020-2021学年高二下学期期末数学试题
4 . 已知函数
.
(1)求证:
;
(2)求证:对于任意正整数
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3aef5ae7abef0e3ecba1c6a39e5fa5.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)求证:对于任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf0f4b1e329db4bf6070f993297f9b9.png)
您最近一年使用:0次
5 . 已知以下三个不等式都成立:①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d876e801e37676d4f5e1b0f5332b5d03.png)
;②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2f9d6aa519f06eb1c32f051e3738c6.png)
;③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15446293e9e0d8ca3107ffba8e229176.png)
.
(1)从这三个不等式中选择一个不等式进行证明:注:如果选择多个不等式分别进行证明,按第一个证明计分.
(2)若函数
与
的图像有且只有一个公共点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d876e801e37676d4f5e1b0f5332b5d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ce597901d121b24d3e5c4ea275ee91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2f9d6aa519f06eb1c32f051e3738c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ce597901d121b24d3e5c4ea275ee91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15446293e9e0d8ca3107ffba8e229176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ee5fbd2082fd90c98e099600f55fa41.png)
(1)从这三个不等式中选择一个不等式进行证明:注:如果选择多个不等式分别进行证明,按第一个证明计分.
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d0aafd52e26c241c46d0206f42f415.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
6 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1fa33e23d65dd5c2e4a1085d290a36e.png)
(1)若函数f(x)在
的切线平行于第一、三象限的平分线,求m的值;
(2)讨论函数f(x)的单调性;
(3)若f(x)恰有两个不同的零点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1fa33e23d65dd5c2e4a1085d290a36e.png)
(1)若函数f(x)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29c5c266a6d834a244c1f50c8f9848c.png)
(2)讨论函数f(x)的单调性;
(3)若f(x)恰有两个不同的零点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6ab1369b3e4b71089946e8a434246e.png)
您最近一年使用:0次
2021-07-30更新
|
320次组卷
|
2卷引用:广东省广州市越秀区2020-2021学年高二下学期期末数学试题
7 . 已知函数
.
(1)讨论函数
的单调性;
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0142fab7345002cecf7c265f291c0ff6.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d6119aaaa6b3964bca3d41f9652fae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4830ddec3fd75198efe166e948b4037f.png)
您最近一年使用:0次
2021-07-04更新
|
411次组卷
|
2卷引用:江西省赣州市2020-2021学年高二下学期期末数学(理)试题
8 . 已知函数
,
.
(1)求函数
的单调区间;
(2)当
时,证明:
,
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b35a13e0055c7a35838f532c166e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5ef2c2dd7f745dd273ca24bc631ae8.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58a2ddbd7fddf0e67957a6ee60b391e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17fdd975ce37e4e2493a9896c5c8f27f.png)
您最近一年使用:0次
9 . 已知函数
,
.
(1)求函数
在点
处的切线方程;
(2)求证:
在定义域内有且只有一个零点;
(3)若存在
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7ed99a74e126a05cb520f19c094020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e002108a9c59d49b8f5b075712abd1.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a229eb3d22ab8ae35834f32c3d2d194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2dc7e2a1eba1685feea24f16075bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数
.
(1)若
恒成立,求实数
的取值范围.
(2)若函数
的两个零点为
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e652627c6c83c132e152f410e82f8285.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28190cf04b0340966281667797469291.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/1b4900c67f4b57fa430c4bd863f8e896.png)
您最近一年使用:0次
2021-07-08更新
|
3397次组卷
|
12卷引用:河北省部分名校2020-2021学年高二下学期期末联考数学试题
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