记数列
的前
项和为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3f7eb839ec76eec4bafd3f1658a27d.png)
_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00395d6848e19e27f7eae798234dcd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3f7eb839ec76eec4bafd3f1658a27d.png)
2024·云南·二模 查看更多[4]
云南省2024届高中毕业生第二次复习统一检测数学试题(已下线)专题3 复杂递推及斐波那契数列相关二阶递推问题【练】(高二期末压轴专项)山西省晋城市第一中学校2024届高三下学期高考模拟预测数学试题(已下线)专题07 数列通项与数列求和常考题型归类--高二期末考点大串讲(人教B版2019选择性必修第三册)
更新时间:2024-05-14 17:38:00
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适中
(0.65)
解题方法
【推荐1】在数列
中,已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802fbc5b6413b06fe2380c8b8a69a1c2.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03bcc5cb5b269672fb9d5aac042422f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802fbc5b6413b06fe2380c8b8a69a1c2.png)
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解题方法
【推荐2】函数
的定义域为
,且
,则函数
的解析式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7994aca8d4a682b9ed13496b3867e7b2.png)
________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4fc8faefb26b233d4aa9dbef043aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858911660b233271d57b17e358232d45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1de7e0b75007f813d8c00dc340c650bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4fc8faefb26b233d4aa9dbef043aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7994aca8d4a682b9ed13496b3867e7b2.png)
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【推荐1】记自然数n的所有因数中的最大奇数为
,例如:9的因数有1,3,9,从而
;10的因数有1,2,5,10,从而
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a912ee9a20b23b3d39d0fa57e85f514d.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2851cb9ffb602b4cec7ccd01e35dd95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18c394cfe2aa1bef6baadf8703e03c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d991a3361309a8a006312748b129c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a912ee9a20b23b3d39d0fa57e85f514d.png)
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