名校
1 . 已知
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7bf78468ca801ef305ce4f76986da1.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e472a3aae4bb14722a154990c8e3ca89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133a66add310f4edaf20b7bea2238a34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ca0177f43a42a284d6d42b41de5f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7bf78468ca801ef305ce4f76986da1.png)
您最近一年使用:0次
2021-01-09更新
|
137次组卷
|
2卷引用:江苏省如皋中学2020-2021学年高二上学期期末模拟卷一数学试题
解题方法
2 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895328d78c1a0e5cd82eaeb283c11bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5cea8dd57067c4b85ba9dfce25460f.png)
A.16 | B.17 | C.32 | D.33 |
您最近一年使用:0次
3 . 设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
______
结果用数值表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a117c1a7af42e825aba6c1412ae1e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc875ca919921e8f63a6fca648561b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
您最近一年使用:0次
名校
解题方法
4 . 已知
的展开式中
的系数为
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05866b0ec2a9a32bfa4728d20da05532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ef63ad7b61f3fae0ac81148e7700ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2018-05-31更新
|
392次组卷
|
3卷引用:【全国百强校】湖北省华中师范大学第一附属中学2018届高三5月押题考试数学理试题
名校
5 .
的展开式中
的系数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcfe30dc4916b64b58450bef59b808f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e06f5fe6e701f1bceaaca31071b564b.png)
A.90 | B.![]() | C.![]() | D.207 |
您最近一年使用:0次
2020-09-19更新
|
191次组卷
|
2卷引用:吉林省松原市扶余市第一中学2019-2020学年高二下学期期中考试数学(理)试题
名校
6 . 求
的展开式的常数项是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e557d2f9fbbc10ee72d88a2369b34f2.png)
A.15 | B.-15 | C.17 | D.-17 |
您最近一年使用:0次
2017-09-29更新
|
891次组卷
|
3卷引用:广西南宁三中、柳铁一中、玉林高中2016届高三9月联考数学(理)试题
7 . 在
的展开式中,记
项的系数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdeb548e95ea772cf6ccdbebcdfaadd9.png)
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c204cc258a28366b414394c9f1cd6763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/164f1a0bf05e618427721f0fdfec7d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad01b28c2aa9d86daa50de5a9fe698a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdeb548e95ea772cf6ccdbebcdfaadd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783656b6b148961d10056f74563d5cfc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . (x3+7)(1![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
)7的展开式中的常数项为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfc339cf6dd66599db64fa3fa44e608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf35027e76f8ea593f82023973d4aba3.png)
您最近一年使用:0次
名校
9 .
的展开式中
的系数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b661e9a780377835488dd0b4f978dd6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
您最近一年使用:0次
2017-11-12更新
|
627次组卷
|
3卷引用:湖北省松滋市第一中学高二选修2-3练案:1.3.2“杨辉三角”与二项式系数的性质数学试题
10 .
的展开式中
的系数是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cb434667a5c33ad5ec2f43642f0c3d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7554b2a0cfc2a6fae8af010a5175d959.png)
您最近一年使用:0次