(1)已知
,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9185519a1b1928d6cd4147f43c738145.png)
(2)设
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9185519a1b1928d6cd4147f43c738145.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ada798eeba5bd19d497bfd0741afd00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a737185eb85ca24cf66409ce1e09bc.png)
更新时间:2023-03-19 17:23:13
|
相似题推荐
解答题-证明题
|
较易
(0.85)
解题方法
【推荐1】(1)已知
,求证:
;
(2)已知
,且
,比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca6db1782631b7890d374cf46ca61739.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7570c77bd375f4dfdffee64fce8d1a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/268dc5d671b54541475cb9e2c90a76f4.png)
您最近一年使用:0次
解答题-证明题
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【推荐2】(1)设
,
,比较
,
的大小;
(2)若
,根据性质“如果
,
,那么
”,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b505c650db452ef4eccddb0d262c1cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb4adf4d35e15f92e289894c6391cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48df0f4773408759069a7c59e336f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3fc6114cb8f086faab5828f8297f8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd6743f300fb11567749754bf6fc3be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142d30784ed66732b29923b1c5f497b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60938bbed269fb92e560a047c7ca8ea1.png)
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【推荐1】设
为正实数,且
,请用分析法证明不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafb789bb881014d650e1e47f7aa6716.png)
您最近一年使用:0次
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较易
(0.85)
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【推荐2】(1)请用分析法证明:
;
(2)请用数学归纳法证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c92b7efd491be671cf3f9ee6ed35c37.png)
(2)请用数学归纳法证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2585b2df88de67703987032b50dc0f0.png)
您最近一年使用:0次