已知数列
的各项都是正数,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56420139e57870e3d5fc9f4057c15f73.png)
且数列
是递增数列,记
,若
,则整数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352d9b76dcf639368fa68cae70149802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56420139e57870e3d5fc9f4057c15f73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db3cc31c6307625b438b4189e5641b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e542f906f67f78fb7e682990c9b206ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5216de74a330b7d79f14e53982e3af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
更新时间:2020-03-16 15:51:59
|
相似题推荐
填空题-双空题
|
较难
(0.4)
【推荐1】已知数列
中,
,
,记
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7277696e8d9f58c9ec28887783b317e8.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ff01f54e97b5d85b34907ea1da5754.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cf5fb9a189c43edeef1663191feee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544e22ee3008447087e5777e0fb3429f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db148a3da673101cfa10f40574cdbab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6312e5edfd53d75bebf11c808055531e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7277696e8d9f58c9ec28887783b317e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ff01f54e97b5d85b34907ea1da5754.png)
您最近一年使用:0次
填空题-双空题
|
较难
(0.4)
【推荐2】数列
满足
,
,其中
,
.
①当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd5367f5c88db960f534311d3476ef5.png)
_____ ;
②若存在正整数
,当
时总有
,则
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5357ce1e9d95681b072472cdd9d6f16d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b8e5990ef4ef314941a3154457a9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac2c67be0e344a21e582980c0431c24.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/558e11d700481dc414d5d073b4b88a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd5367f5c88db960f534311d3476ef5.png)
②若存在正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eae51f0310b87cde2e206643e9d25a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6a46c5fb744758ad83902819b83bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
解题方法
【推荐1】已知数列
满足
,设
,其中
表示不超过
的最大整数,
为数列
的前
项和,若
,则正整数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1762472356358da673d10c101fcf659b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e2be79297eebc165a4bffcc05e11c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6dbb46872f37ac2e64e5046d72583f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d010210c784348bd2f41402eac148321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
解题方法
【推荐2】已知数列
首项
=1,函数
有唯一零点,若
,则数列
的前
项的和为 ____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab480ad58663a5e189d375c6096ab58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b57b1fbb41f29ab1e0e4ec323452665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/716d6be9fcea44d5327c3e84184cd59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次