设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421a85ac9244c0b6e5ef6e07402383b8.png)
.
(Ⅰ)讨论函数
的单调性;
(Ⅱ)若函数
的极大值点为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421a85ac9244c0b6e5ef6e07402383b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec3e3bcd67cf1a355986c6e3132470c7.png)
(Ⅰ)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3263e07c1e25ce0917f763421b3bce55.png)
更新时间:2018-05-17 18:01:13
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数
,
,
.
(1)若
,证明:当
时,
;
(2)讨论
在
上零点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f504299330c3704c2a4e5d4162ea3f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e9aba55fe428e518d8c659196818ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9395af40581559afb4bcacccef3b4776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4908e3b4e523c042732ccb7c215aac99.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
解题方法
【推荐2】已知函数
.
![](https://img.xkw.com/dksih/QBM/2018/4/13/1923159249682432/1924101017313280/STEM/4351b5a5-3c1e-4558-86c5-870bf92e9cf1.png?resizew=165)
(1)如图,设直线
将坐标平面分成
四个区域(不含边界),若函数
的图象恰好位于其中一个区域内,判断其所在的区域并求对应的
的取值范围;
(2)当
时,求证:
且
,有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3eb5272827aa6309343fdb7fd3fbad.png)
![](https://img.xkw.com/dksih/QBM/2018/4/13/1923159249682432/1924101017313280/STEM/4351b5a5-3c1e-4558-86c5-870bf92e9cf1.png?resizew=165)
(1)如图,设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8606fe0ac89a65f4fe00c72ec8e5fd0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f583484c0c79591da90d135497faa32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e189dbc979fad6bf8ca03ac1388cbac0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3881fa7fc347ccb2d46de69dc041907d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4599df33ab73907711f6267357c5ce.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
解题方法
【推荐1】已知函数
.
(1)求函数
的单调区间;
(2)设
存在两个极值点
,且
,若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532d6ca65c31c1795efe1809816354d7.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a42526840a0fc525571737bed3d1af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378b70fac915f3ad6ab0c510a67c8fa6.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
.
(1)求函数
的单调区间;
(2)证明:对任意的正整数
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae6474f49bcecbe5a6145d24c84d7028.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:对任意的正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011bd6d2e094988b395938fd504fc1b9.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐3】已知函数
,
.
(1)当
时,求
在区间
上的最值;
(2)讨论
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79e4665c2b36ffaedc1910059868a035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.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/9e354f44c5841806fdc363073abdd052.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次