解题方法
1 . 记
为
二项展开式中的
项的系数,其中
.
(1)求
;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3bf2007903adc64d089a054c2284a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc3963f84424c1276294c0faf66b380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc263351b9ca99a0377fd825e2636db4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb9a94a727b3d85b4a88c729c8694ac.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78bc5881ae357ed898e1760ef83bcfd4.png)
您最近一年使用:0次
名校
解题方法
2 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386ed5ab3aa33e27b9dd2af3826e19f1.png)
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386ed5ab3aa33e27b9dd2af3826e19f1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c315a91bca8863c21b91a050495c74.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b3b6dab725c2f49f93b8d53e09fbc92.png)
您最近一年使用:0次
2020-03-17更新
|
679次组卷
|
4卷引用:2020届江苏省南京师大附属扬子中学高三下学期期初数学试题