名校
1 . 已知函数
,
.
(1)求曲线
在点
处的切线方程;
(2)讨论
的单调性;
(3)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd9a0cb1b1a65d4c9e871e0b71c6413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/068ff25c767fcbe6fe596d996031eed1.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301605e86e5a5e61a65c91cd3dd8b77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1461a34c3ec0e78b4d43dab11dc66ce.png)
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名校
解题方法
2 . 已知函数
.
(1)若
,证明:当
时,
;当
时,
.
(2)若
存在两个极值点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f7e900992d63801a5d034c2a6f880d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.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/d10313b3b19270ccf6722defd1aaa721.png)
您最近一年使用:0次
2021-08-13更新
|
3359次组卷
|
8卷引用:浙江省温州市环大罗山联盟2020-2021学年高二下学期期中联考数学试题
浙江省温州市环大罗山联盟2020-2021学年高二下学期期中联考数学试题安徽省淮北市2021届高三二模数学(理)试题(已下线)专题01 《导数及其应用》中的典型题-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) (已下线)第11讲 双变量不等式:极值和差商积问题-突破2022年新高考数学导数压轴解答题精选精练(已下线)专题9:双变量问题(已下线)2022年高考浙江数学高考真题变式题13-15题(已下线)2022年高考浙江数学高考真题变式题19-22题四川省德阳外国学校2023届高三上学期9月月考试文科数学试题
3 . 设函数
,
为
的导函数,
,
.
(1)用a,b表示c,并证明:当
时,
;
(2)若
,
,
,求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e36fc3f9b69c79fa9f0f4835a8b611b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15bccf9756ec716bd5c04e2641b6441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd91f855de4fead61c578e4f5170b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799f6009a476fa056e1af71f26dd2fd0.png)
(1)用a,b表示c,并证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c42f148508576752d87c43c2526eec5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9222ffc26c0e6bfbf252ab5d8a520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ebd8ae3481f1362c42b47af65a38d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27ec39e50eba15ba551a58677bc73c9.png)
您最近一年使用:0次