名校
解题方法
1 . 已知函数
.
(1)若
在点
处的切线方程为
,求实数
的值;
(2)设
,在(1)的条件下,若满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1f610e1f0798fca75158bbe6203a0d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9355031ea0b2dc9cef3777621bc6d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670a1af8b7e6d0fb88e0679db219aa14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60474077af6f9daee8bfebafcadc1081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8485e22701be2c0d84b0af8a9212e265.png)
您最近一年使用:0次
2023-04-22更新
|
593次组卷
|
3卷引用:宁夏平罗中学2023届高三第四次模拟数学(理)试题
2 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6e3c6284db976a66ae33e09c663b53.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea59cee971344ed593ff082a65d177c2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
3 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02cba343e4f7a2e650b6b3fc30c1cc8d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c889b54bb5c49f3c2bfda8440a2d1544.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
.
(1)求
的极值;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2399c2a712a2890dcd0b195d3b9f1c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168653c1f8679d6279a21be9d0ff5dca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-04-20更新
|
1796次组卷
|
7卷引用:宁夏石嘴山市平罗中学2023届高三第六次模拟考试数学(文)试题
5 . 已知函数
,
.若
.
(1)求
的单调区间;
(2)是否存在实数
,使得
的图象与
的图像有且只有三个不同的交点?若存在,求出
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60573c5ddc3c3d73620894db0cc01cb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91ce9b7bac3eff0833f1f03f8c15b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3c2be7482719651bcf491949681e05.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
6 . 实数
取何值时,复平面内表示复数
的点.
(1)是实数;
(2)是纯虚数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9ac08a1dea24e7e248a397d9c5744c.png)
(1)是实数;
(2)是纯虚数.
您最近一年使用:0次
7 . 已知
,函数
,
.
(1)讨论
的单调性;
(2)过原点分别作曲线
和
的切线
和
,试问:是否存在
,使得切线
和
的斜率互为倒数?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7600c9a7de088a9f88bf0447e22d0bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428d922e63d8a0838da6fdacee919ccd.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)过原点分别作曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.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/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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名校
解题方法
8 . 已知
.
(1)求函数
的最小值;
(2)若存在
,使
成立,求实数a的取值范围;
(3)证明:对一切
,都有
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec28e88da2fe0086bbf5fa3e222d47eb.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
(3)证明:对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e8293767a2a21214c8f5a2c0c790c4.png)
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2023-04-14更新
|
658次组卷
|
3卷引用:宁夏银川一中2022-2023学年高二下学期期中考试数学(理)试题
名校
解题方法
9 . 已知函数
在
处取得极值2.
(1)求a,b的值:
(2)求函数
在
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a95e50e1adcef7aae4dc9b9df49fd3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(1)求a,b的值:
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f909328384f9c52134243753d9c954ef.png)
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2023-04-11更新
|
1873次组卷
|
6卷引用:宁夏青铜峡市宁朔中学2022-2023学年高二下学期期中考试数学(理)试题
名校
解题方法
10 . 已知函数
.
(1)当
时,求函数
在点
处的切线方程;
(2)若
且
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90128f810ee55d71c5a08b7d98b88be6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
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2023-04-10更新
|
1014次组卷
|
3卷引用:宁夏吴忠市2023届高三模拟联考试卷数学(文)试题