用一个给定的数列
的相邻两项作差,得到一个新数列
,这个新数列称为
的一阶差数列.如果记该数列为
,其中
,那么再求
的相邻两项之差,所得的数列
,称为原数列
的二阶差数列.依此类推,对任意的
,可以定义数列
的
阶差数列.若数列
的一阶差数列,二阶差数列,三阶差数列分别为
,
,
,且数列
为常数列,
,
,
,
,则( )
参考公式:
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f4aa8dcc2241ed32498abfb536a784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5653b60d16ec4e653518f0562680250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bed5f73a6ae9575e4990054619d66ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b08c58baacec3cd0c0a06e267fa9ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](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/a316124e688e76d6f330ffbea49d427d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5202b28df649fd77f8fa2891e8d36322.png)
参考公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3066b1390f7e69464f065fa3eae0475b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1d88795aa010654f2f88d716360181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a3e331ea94c1c14401087a06ed0d5c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
20-21高三下·全国·阶段练习 查看更多[3]
(已下线)全国100所名校2021届高三下学期最新高考模拟示范卷数学02卷(已下线)4.2.2 等差数列的通项公式(2)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)(已下线)专题16 数列新定义题的解法 微点2 数列新定义题综合训练
更新时间:2021-02-26 11:00:35
|
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