已知函数
,数列
满足:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6986382d15a0e1a7da89555eeae4b6b9.png)
(1)证明:
在
上是增函数
(2)用数学归纳法证明:
;
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52142482df6bbd431d300f011e3ccb12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6986382d15a0e1a7da89555eeae4b6b9.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
(2)用数学归纳法证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a955f8d019e67c5cef2052fbb568ab96.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16496a925991d2be8befa69c6c32c1e5.png)
更新时间:2016-12-04 07:36:32
|
相似题推荐
解答题-问答题
|
较难
(0.4)
解题方法
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c860d84431d6474145916bd0d70a8179.png)
(1)判断函数
的奇偶性;
(2)若实数
满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c860d84431d6474145916bd0d70a8179.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe14586492dc103124b2a42162be6e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b9845424e3c77532796a9a6b52600d0.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】已知函数
,
,其中
.
(1)讨论函数
的单调性,并求不等式
的解集;
(2)用
表示m,n的最大值,记
,讨论函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e37ca0a1e04c39aa9956447ebac60aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc5935d3fb171b4d22b20926867ad49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f98aab692b27cfc120481faa6525474d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d8301526d58cd3a6bb7c8fdd207b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
解题方法
【推荐1】已知函数
,
,其中
.
(Ⅰ)设两曲线
,
有公共点,且在该点处的切线相同,用
表示
,并求
的最大值;
(Ⅱ)设
,证明:若
,则对任意
,
,有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3225be657442ea8494ef084594b60f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985424cbf561f098e283a7de757428ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(Ⅰ)设两曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732113a049e62c4e8063e712698a5181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea9484fcea82180e9886a18d7a947b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d9020d723f1914b817896f6535a31f.png)
您最近一年使用:0次
解答题-问答题
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较难
(0.4)
名校
解题方法
【推荐2】设函数
.
(1)若
恒成立,求
的取值范围.
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/021785da54f1df0f8ff7e1b22fd58c57.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b095c3b3d32619c3e0c581f79cd8f48e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e4952e9148607099d5e226f9a12071.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
名校
解题方法
【推荐1】已知数列
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e37cd107cf03db3446c4169c92bcab9f.png)
,
,
,
为数列
前
项和.
(1)若
,
,求
的通项公式;
(2)若
,设
为
前n项平方和,证明:
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e37cd107cf03db3446c4169c92bcab9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4f96aa5fed2294faf7c606b6417d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f24efa543736b9064b2abe9d35a46308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e0de7749d7a562ff4491a70cf557f2.png)
您最近一年使用:0次
【推荐2】已知数列
,
与函数
,
,
满足条件:
,
.
(I)若
,
,
,
存在,求
的取值范围并求
(用
表示);
(II)若函数
为
上的增函数,
,
,
,证明:对任意
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7133d8f39bd3d597198563ad577015fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6df20ab62100a184cab33c12a3b8ebb.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f828f87c9aaf7abe146409b8a7d5173b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49636685bca80ed0864d65d829973f8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca7cf24af174ff96fd5dc9302fe3f289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb3a970bf38d5616614fbc065edee88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb3a970bf38d5616614fbc065edee88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(II)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b5adfde2b8173d967dfc2c23dd0d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944acf0e4fcda9b5b7804fb2f03a66eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1254070260067f8bf2fec39a7d0c8f1.png)
您最近一年使用:0次