等差数列
中,
为
的前n项和,
,若不等式
,对任意的
恒成立,则实数k的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9166f4cb7811b893e0a435118c2c95.png)
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23-24高二下·广东·期中 查看更多[4]
广东省华南师范大学附属中学2023-2024学年高二下学期期中考试数学试题广东省茂名市高州中学2023-2024学年高二下学期5月中旬模拟数学试题(已下线)专题1 数列的单调性与最值(范围)问题【讲】(高二期末压轴专项)山东省烟台市牟平区第一中学2023-2024学年高二下学期6月限时练(月考)数学试题
更新时间:2024-05-11 22:37:40
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