名校
1 . 已知
的展开式的所有项系数之和为64,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_________ ,展开式中含
的系数是__________ .(用数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec9fe54d3e3e82e45d44b012be50543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
您最近一年使用:0次
2022-04-28更新
|
371次组卷
|
4卷引用:河北省石家庄精英新华中学2023-2024学年高二下学期期中数学试题
河北省石家庄精英新华中学2023-2024学年高二下学期期中数学试题浙江省富阳中学、浦江中学二校2022届高三下学期第五次联考数学试题(已下线)临考押题卷04-2022年高考数学临考押题卷(浙江卷)浙江省金华市曙光学校2022届高三下学期5月模拟数学试题
解题方法
2 . 在
的展开式中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
__________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb7147e313f9d9f67d19ecb5f499c05.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041577538bc8191262e1ffa338e63b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a878a203608cc4db8af1671cc514e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb7147e313f9d9f67d19ecb5f499c05.png)
您最近一年使用:0次
3 . 在
的展开式中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b0c9097443ae1e4103a351de1b821f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b319059eb8f5e1e62979ae18724948f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382b4a2ab0657d2d6830bb6be2b17b6.png)
您最近一年使用:0次