已知函数
,且
.
(1)求曲线
在点
处的切线方程;
(2)若函数
有三个极值点
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/580ad683c6dd8b7eb50d2aebd612a7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efff1b8bbc85320e97ab766de56b3c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5fa19841228ae693eec2e45712aec37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9bc55c3f09d2c9031df845610f512bf.png)
21-22高二下·重庆南岸·阶段练习 查看更多[4]
重庆市第十一中学校2021-2022学年高二下学期5月质量抽测数学试题(已下线)专题08 证明不等式问题2(已下线)江苏省盐城市、南京市2022届高三上学期1月第一次模拟考试数学试题变式题17-22第五章 一元函数的导数及其应用(B卷·能力提升练)-【单元测试】2022-2023学年高二数学分层训练AB卷(人教A版2019)
更新时间:2022-05-31 22:43:53
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】已知函数
.
(Ⅰ)求曲线
在点
处的切线方程;
(Ⅱ)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bafd03e2e07210f733f198fcfc64940.png)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(Ⅱ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e66e29e6bc5eb68dd4972315918b7be.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】已知函数
,其图象记为曲线
.
(Ⅰ)若
在
处取得极值为
,求
的值;
(Ⅱ)若
有三个不同的零点,分别为
,且
,过点
作曲线
的切线,切点为
(点
异于点
).
①证明:
;
②若三个零点均属于区间
,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572126863876096/1572126869356544/STEM/9af78a75d8fc4523911030f2fdf67a5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅰ)若
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572126863876096/1572126869356544/STEM/90f4ad34f7a44c63be3b8d7167f5b763.png)
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572126863876096/1572126869356544/STEM/7ea7c211d3434643bb8cd40356b8074b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf1f029bb36d7d199ed2b782490c424.png)
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572126863876096/1572126869356544/STEM/770b285cbe584241b3e33950c80f1835.png)
(Ⅱ)若
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572126863876096/1572126869356544/STEM/90f4ad34f7a44c63be3b8d7167f5b763.png)
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572126863876096/1572126869356544/STEM/a7d308c31366419a8cbf28a6e58898c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a4571aedd81ea196788b129a8078e5.png)
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572126863876096/1572126869356544/STEM/c6e2b75cad72427bae551e676e4dc364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46564307a340acbec55c2824129a2399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572126863876096/1572126869356544/STEM/a3fe943e0c424adebaed2041dbe47a7d.png)
①证明:
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572126863876096/1572126869356544/STEM/4ea53a17555542ca8ea785ead78ec332.png)
②若三个零点均属于区间
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572126863876096/1572126869356544/STEM/d7624fa9f0194b0e9d64690b4411ee9d.png)
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572126863876096/1572126869356544/STEM/bb4bae22d76c4a928513438063fc9397.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】设函数
,
.
(1)若曲线
在
处的切线过点
,求
的值;
(2)设
若对
,
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e0d7bcc2a6b00b60263569ff2ced91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e5ff2705eb737adef9a6dc70559d79.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e3ccc38868099bc4d542e00e0b66685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614acf963e17a512b619d0d7822a6359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39754749de946c03c38b8ecadc229ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7f6abe07dd4af3165d21d227a3b095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/362b8505c76739ace94f4c886ed52e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数
,
.
(1)当
时,
恒成立,试求实数
的取值范围;
(2)若数列
满足:
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30bccd4193fa40210924599f754da54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe4b71c22c76c3ac61f6e732275f1e6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16e2b89fc8afba72cf3020848f1df89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72065ebeffbbbd1a5c508164697649e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af45aa4487d1e153536d1d59c053c983.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】已知函数
.
(1)讨论
的单调性;
(2)若
有两个极值点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896ef3ff3c96cb9d022287bbb8394ba7.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b64324e49e269df26b4230d1bc39fa90.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐3】已知函数
.
(1)当
时,求函数
的图像在点
处的切线方程;
(2)讨论函数
的单调性;
(3)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a157c0fec42e5016e1065bd5255d12.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(3)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5d0927eb72f0513e56ebe87ae69443.png)
您最近一年使用:0次