已知函数
.
(1)若
在点
处的切线过点
,求
的值;
(2)当
时,
恒成立,求整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a186256e8c128bdf937dada1ec3f7c.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/f10d362b95ce7ac5b18fb4d1037fce59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
更新时间:2023-03-22 11:26:02
|
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解答题-问答题
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较难
(0.4)
名校
解题方法
【推荐1】已知函数
.
(1)当
时,试求函数图象在点
处的切线方程;
(2)若函数
有两个极值点
、
;
(ⅰ)求a的取值范围;
(ⅱ)不等式
恒成立,试求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cdcd099fd8cc0a68212f70af3d9fedc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若函数
![](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/ffd888afdcfdb3e91a157d50f65e915e.png)
(ⅰ)求a的取值范围;
(ⅱ)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f9fa86fe5015298d7ef9f51cc31207.png)
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解答题-证明题
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解题方法
【推荐2】已知函数
,
.
(1)若
在点
处的切线与直线
垂直,求函数
在
点处的切线方程;
(2)若对于
,
恒成立,求正实数
的取值范围;
(3)设函数
,且函数
有极大值点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c03f9ce7f8eff3543ffd70c3e378f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f84134092f31767ff9f7e8200a79fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcfc6b5b7ae63a330f0cd8593ee47338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd18b91c1704fc0705ba3d8e10cb4f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0309aecb7ee9676aeee5da6a30cf3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eeeb4ccbe893673f166d0d149e88a67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcafc95a0527841c29a58d4f7d85e232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765eb39db670ccb7070012be14c0136d.png)
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【推荐3】已知函数
.
(1)求曲线
在点
处的切线方程;
(2)若存在正实数
,使得对任意的
,都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0578e617a3fa8c1f4d73573d18590a1.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若存在正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c61be575f8c0b00027cad34b172822bb.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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(0.4)
名校
解题方法
【推荐1】已知函数
(1)求函数
的极值;
(2)若对
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760072fea37de12dc79ce1c5e417115b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c108cd67539c4fa43a6f538d7db2986d.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a236ed25b8b2d62b02484b86b4a13054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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【推荐2】已知函数
.
(1)当
时,求
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(2)当
时,讨论
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(3)若不等式
对
恒成立,求正数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3ae25a60f251508809d6d28dfe103e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
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(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a4f1efb1efc5a7f5bb79b2e0cd40d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a36fe2e12bd6d30a6bf5816159d2f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5c18b40d53f3df601f9b0c9a11b375.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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