名校
解题方法
1 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900c2bb6422a9f96d39ac8cb0b70b907.png)
(1)若
的二项展开式中只有第7项的二项式系数最大,求展开式中
的系数;
(2)苦
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900c2bb6422a9f96d39ac8cb0b70b907.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
(2)苦
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ea0392d4bd0374c8a2b12a355e4655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1a88c20ff87d0462d3cfce51619e65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07395c844d5a5c1cd7b9f76776e64a45.png)
您最近一年使用:0次
2022-05-23更新
|
1545次组卷
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5卷引用:重庆市万州第二高级中学2022-2023学年高二下学期期中数学试题