解答题-问答题 较易0.85 引用1 组卷912
已知函数
的图像与
轴正半轴的交点为
,
=1,2,3,….
求数列
的通项公式;
令
为正整数), 问是否存在非零整数
, 使得对任意正整数
,都有
? 若存在, 求出
的值 , 若不存在 , 请说明理由.
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572041501442048/1572041507348480/STEM/13bfe426b0cf4d119f2b0e2536c09af6.png)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572041501442048/1572041507348480/STEM/d620446b23884dbaacf3445ed83984ef.png)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572041501442048/1572041507348480/STEM/6b747bee6e264f58a59ae9bfc15304ed.png)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572041501442048/1572041507348480/STEM/a828420d382f4c87b3c4f0334c9876a1.png)
求数列
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572041501442048/1572041507348480/STEM/804aa95b5cee47f899e155afbdbaf7d9.png)
令
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572041501442048/1572041507348480/STEM/6ffc924ae3234b338defb69bd0792ca0.png)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572041501442048/1572041507348480/STEM/e08b660e650748939d7410bd83a25d3b.png)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572041501442048/1572041507348480/STEM/5f05d97d723d418193876fb1193a3550.png)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572041501442048/1572041507348480/STEM/aaa1f63f78ef450cbcabeebd33c80e60.png)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572041501442048/1572041507348480/STEM/e08b660e650748939d7410bd83a25d3b.png)
15-16高三上·上海长宁·阶段练习
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