(1)已知
,
,
,求证:
;
(2)已知
,
,
,
,试比较M与N的大小,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e271b6e63206285461a7552d11efd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27763d65ec630511141303dad69545b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d2a05075997525049a368aba1c2b46.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731bdc8d2686a05f12a2ba8a7e3b01be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff96ea173b7b5b540e51414d1237fe10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e4ff6446e086f1b4e7382764875036.png)
更新时间:2023-10-08 20:31:25
|
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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)
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![](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
解答题-证明题
|
较易
(0.85)
名校
解题方法
【推荐2】(1)试比较
与
的大小;
(2)已知
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b50392b1bb313a209abf71d01c2a915c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c83e24b386b4262bc3e97681ac4741.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb54b1b3617ebc502cb44194cbcd1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
您最近一年使用:0次