1 . 在数列
中,若
是整数,且
(
,且
).
(1)若
,
,写出
的值;
(2)若在数列
的前2018项中,奇数的个数为
,求
得最大值;
(3)若数列
中,
是奇数,
,证明:对任意
,
不是4的倍数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0158862238e250d2a2598b7d4ecd148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d87d9727ca45e19b19f4e4cee81756a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56f8a9f14dab4bd061ac817a39141be.png)
(2)若在数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)若数列
![](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/233ede8e2b7ddd6807e67d974b7370ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
您最近一年使用:0次
真题
名校
2 . 给定常数
,定义函数
,数列
满足
.
(1)若
,求
及
;
(2)求证:对任意
,;
(3)是否存在
,使得
成等差数列?若存在,求出所有这样的
,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4950cc100c4f08bec9fc33ce6ddedac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69bd34a73127f3483a9d50d2dc1755c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8613ce827804b9485d8dfc0ca2d563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d043d6b72ab55699dcbb12cfc242b006.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922de166bb11f7828ca5496015ca97fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
(2)求证:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05ebe11bc5d30b80341cc3be681d58a.png)
(3)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c01bd7853f3d558f5b34c8decb1124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
您最近一年使用:0次
2016-12-02更新
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2740次组卷
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8卷引用:2013年全国普通高等学校招生统一考试理科数学(上海卷)
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