名校
解题方法
1 . 已知函数
.
(1)若
,求
的极值;
(2)若
,不相等的实数
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5b50aad1c0fc27abd70c3f36db0a93.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b624d88827e92e12bc0a8f1067cbe72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8162cfd0f8f8f25e8e2c4bff62cf314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660c326552c84fe623bee7758dd56390.png)
您最近一年使用:0次
名校
2 . 已知函数
,曲线
在点
处的切线与
轴平行或重合.
(1)求
的值;
(2)若对
恒成立,求
的取值范围;
(3)利用下表数据证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/410178c284d2027a2734a0b05aa0ac94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0a4109aa195543d6ffe940e6577d1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)利用下表数据证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4314b1f4aee01d15d3fbc6857fac4f17.png)
![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
1.010 | 0.990 | 2.182 | 0.458 | 2.204 | 0.454 |
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名校
解题方法
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d685b7f2a5e121a9254d624aaa0379c2.png)
(1)若函数在
内点
处的切线斜率为
,求点
的坐标;
(2)①当
时,求
在
上的最小值;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d685b7f2a5e121a9254d624aaa0379c2.png)
(1)若函数在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c195698ac387fe53b3b1e0248a1fcc92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6760d53501dc3d6b1b86bfed2e26d352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40fc63b39f3a0e7b7f99c38753846e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b30a66048110102ebfdc0f9e04a30f.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a6cece6b1376a1636c15ce15da8994.png)
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名校
解题方法
4 . 已知函数
.
(1)若
在其定义域上单调递增,求k的取值范围;
(2)证明:对
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/899d99dd040179f0bcb349dd46ed7895.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02efa6f1dc514a278597ed9ccfe42127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beed1d56c2ac4a6ac6da4aca548622e7.png)
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解题方法
5 . 已知椭圆
的离心率为
,依次连接四个顶点得到的图形的面积为
.
(1)求椭圆C的方程;
(2)过直线
上一点P作椭圆C的两条切线,切点分别为M,N,求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
(1)求椭圆C的方程;
(2)过直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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解题方法
6 . 已知函数
.
(1)求
的极大值;
(2)若
的极小值为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ed74e57b37911d513134d8b8b092754.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e682d5d5ec964c2b8ef4b3bfe3e874.png)
您最近一年使用:0次
2024-03-12更新
|
438次组卷
|
2卷引用:陕西省百师联盟2024届高三下学期开年摸底联考文科数学试题(全国卷)
名校
7 . 已知函数
.
(1)若
,求证:
;
(2)讨论关于x的方程
在
上的根的情况.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43dea74af12e4b8564bf08c74f8a37c0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc895959e9bc92294dc9dd2263dbf0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
(2)讨论关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11a910ceddf453ba57ee7fa09652f1ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
您最近一年使用:0次
2024-03-09更新
|
931次组卷
|
3卷引用:华大新高考联盟(老教材全国卷)2024届高三下学期3月教学质量测评理科数学试卷
解题方法
8 . 证明下列两个不等式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e0d356084c984be0f21df6d9454533.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3fc3206286c0902f9cfd637da91c9c.png)
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9 . 已知函数
.
(1)证明:当
时,
在
上单调递增;
(2)若
在
上恰有3个零点,求
的值.
参考数据:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a05622ee04b5237b746fc15c12a4ef.png)
(1)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1406fead119e695f9720e78e59b9625c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84ce07dcbbcf8e4b7f246649fb3f835.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e955a8ad4c8aaddd5f189559d2e3d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee4c7edb4076b60ca8d4ba5213d077d.png)
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名校
解题方法
10 . 已知函数
,
.
(1)求证:当
,
;
(2)若
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8b4323592b9fe3117b5c4330413d32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976581d4a974fe50f9f29d430c1289f2.png)
(1)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9534a440abf4579ef68987e60c0ee70f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a3ccdd189f989f6c870b5f89236b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-02-21更新
|
2267次组卷
|
5卷引用:陕西省西安中学2024届高三模拟考试(五)理科数学试题
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