定义函数
的所有零点构成严格单调增数列![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
.
(1)求证:
;
(2)若对任意的
存在负数
使得方程
有两个不等实解
与
,并且满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbf2181350d86ab92ca8d0c57062979.png)
,试证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb26787f90953b57b26840560cf1898b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4deeb1d48ba9103bd939d129bbcabf00.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2b470df8553a6959c48d985a2fb3f6.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02964db5e897a7227ecfa746c85c502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e90c998886b1483221a5b4941f6e874c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512973a7938befd2ddb58966f4f7270c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d62ae9cec857483a97ef5e60977988c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6cf7974e23e46975cfe8c29930b07f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbf2181350d86ab92ca8d0c57062979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ece7ec51a3dc952d95787f457dd6519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d50dd64fc95bb112a01e6fdcbd6024.png)
19-20高三下·江苏盐城·阶段练习 查看更多[2]
更新时间:2020-03-21 07:14:17
|
相似题推荐
【推荐1】已知函数
.
(1)若曲线
在
处的切线与
轴垂直,求
的值;
(2)若
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487d86f27a00d28a519d9102259bbd98.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a40142c84be68ee2918c3a8303388c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/982b6ae632746d0750036d79e6997569.png)
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解答题-证明题
|
困难
(0.15)
名校
解题方法
【推荐2】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)
您最近一年使用:0次
解答题-证明题
|
困难
(0.15)
【推荐1】已知无穷正数数列
满足:
(1)存在
,使得
;
(2)对任意正整数
、
,均有
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(1)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda3ca9e9d1924f64a085e8e98c10283.png)
(2)对任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b12411932a06a00ede6dda21384a953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bdb70b6249c0abe6bc4361e92e3f03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d191d6de821fbb06a51b5a20112db6de.png)
您最近一年使用:0次
解答题-问答题
|
困难
(0.15)
解题方法
【推荐1】已知函数
.
(1)当
时,讨论
的单调性;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b72dbbcac3a8dcced8e9734265246beb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48263f24da5420576e76038d19c13026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次