1 . 已知正数
满足
,且
,
求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eeda5cef4846ef829069fe27f64e34e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd1546b52c619c1f63ab1ce034b8395.png)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f05d9a3da5afb7053baccd61f0601e.png)
您最近一年使用:0次
13-14高二下·辽宁·期末
2 . 给出四个等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876d453473dd136199f4fd4653f00a47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c94a6df5bddbb2b7f8733a16af2157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ae9bec2cba7031e203972797317c51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89edf0f82e6ad17097a142aaf85d3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
(1)写出第5,6个等式,并猜测第
个等式;
(2)用数学归纳法证明你猜测的等式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876d453473dd136199f4fd4653f00a47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c94a6df5bddbb2b7f8733a16af2157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ae9bec2cba7031e203972797317c51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89edf0f82e6ad17097a142aaf85d3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
(1)写出第5,6个等式,并猜测第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f636df3ea3c910b25ca80b6cad9a2233.png)
(2)用数学归纳法证明你猜测的等式.
您最近一年使用:0次
2016-12-03更新
|
1145次组卷
|
4卷引用:黑龙江省海林市朝鲜族中学人教版高中数学选修2-2同步练习:滚动习题第二章 推理与证明[范围2.1~2.3]
黑龙江省海林市朝鲜族中学人教版高中数学选修2-2同步练习:滚动习题第二章 推理与证明[范围2.1~2.3]2019届高考数学(理)全程训练:天天练42 推理与证明(已下线)2013-2014学年辽宁省实验中学分校高二新疆班下学期期末数学试卷安徽省合肥八中2017-2018学年高二第二学期期中考试数学(理)试题
11-12高二下·北京·期中
3 . 做一个容积为256升的方底无盖水箱,则它的高为_______ 时,材料最省.
您最近一年使用:0次