1 . 设数列
满足
,
为
的前
项和.证明:对任意
,
(1)当
时,
;
(2)当
时,
;
(3)当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82ace7865b913b2af696c15b429ed63.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1012bbe058bbed6252f53b16a9895a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf39ae3d93e0b088cdc5c8e04ca690b.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8141d87fb02b08c88b0c9f27f839a7d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a4a7d19c102de50872eb001630f729.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03206fe8cc18c1439a5b28ca4287cdba.png)
您最近一年使用:0次
2 . 设
是定义在R上的函数,对任意
恒有
.当
时,
,且
.
(1)求证:
;
(2)证明:
时恒有
;
(3)求证:
在
上是减函数;
(4)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef60b6eaf3094507d72b6c07dfcfaae1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b253bed990e08769d68d3d0c32eb69c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7fde71807463dbdfd8fce1655a5a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd6536528d13d326f3c8f0b41e8266bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c286e75e9d00df48c0d713332e4979b3.png)
(1)求证:
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572678505807872/1572678511673344/STEM/2027559bdbaa47a38d4fdbe0c0b7ea0e.png)
(2)证明:
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572678505807872/1572678511673344/STEM/bd40dcfe5c2a487ea7701c29d5d0e9f9.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572678505807872/1572678511673344/STEM/3e4234dca0f94063a857743ffd862865.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9b943596d167efd4a05be98bfbe33a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
3 . 如图,已知曲线
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497aceb0440d794dfedf2cdd42e131ce.png)
及曲线
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc9e65f2fa9af923d5db7cff37782d7.png)
,
上的点
的横坐标为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
.从
上的点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
作直线平行于
轴,交曲线
于点
,再从点
作直线平行于
轴,交曲线
于点
,点
(
,2,3……)的横坐标构成数列
.
![](https://img.xkw.com/dksih/QBM/2016/3/8/1572525822836736/1572525829177344/STEM/b12a6ba397f64d30b29f8afd385551f4.png?resizew=246)
(1)试求
与
之间的关系,并证明:
;
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497aceb0440d794dfedf2cdd42e131ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab03556c333ab0b55fe86c937b2a5763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc9e65f2fa9af923d5db7cff37782d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab03556c333ab0b55fe86c937b2a5763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9993f6dc979bfbe11ca160daf225d6a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79dc80683f49c71b505e4bb711dbbb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15520cf5be7c2685975aac51bc99ac4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15520cf5be7c2685975aac51bc99ac4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c15016fc7de1cd5971b7d38c70071e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://img.xkw.com/dksih/QBM/2016/3/8/1572525822836736/1572525829177344/STEM/b12a6ba397f64d30b29f8afd385551f4.png?resizew=246)
(1)试求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090426eb29836bc30c006b3739c08057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e22720a7250e79903635cb6eb368b6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14835bf3f00139ccec0694d0924db795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265ec3d91f1abd3cb756888d21ee7ae3.png)
您最近一年使用:0次
4 . 已知函数
.
(1)若
在区间
上不单调,求
的取值范围;
(2)若对于任意的
,存在
,使得
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d9e95aae31cfbf61273189f6434a26b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032e3d25c9f38a3cf745fed1ce3297be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0207bd37641adf6a01eceb8d323a19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669055bba65bd0106c8cb46a57bc25c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a06ae2e4acf1294b0b38722164ef30bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2016-12-03更新
|
1032次组卷
|
2卷引用:2015届浙江省温州市高三第二次适应性测试(二模)理科数学试卷
14-15高三上·浙江温州·期中
名校
解题方法
5 . 已知函数
.
(1)若函数
为偶函数,求
的值;
(2)若
,求函数
的单调递增区间;
(3)当
时,若对任意的
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66727de73bdb89a3cce558372ca7301.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b916c6d3fb2fdc67421489f207c93903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c989623de36d03965b327d2e49c31b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
2661次组卷
|
5卷引用:2015届浙江省温州市十校联合体高三上学期期中联考理科数学试卷