用反证法证明
不可能成等差数列.
![](https://img.xkw.com/dksih/QBM/2016/12/21/1826264256741376/1826264256815104/STEM/20e89b599412462e804b0762f0adbd56.png)
2016高二·全国·课后作业 查看更多[2]
更新时间:2017-11-27 15:27:03
|
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
【推荐2】(1)设
,
是不全为零的实数,试比较
与
的大小.
(2)用反证法证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf877c2f179cf4e47657882ee8fa14d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ecbb4dc189112b811b31483f2aa695.png)
(2)用反证法证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557d2e3133709e7153c6177a52afc6e3.png)
您最近一年使用:0次