名校
解题方法
1 . 设
是
,且
)的展开式中
的一次项的系数,则
的值为___________ ;化简
的结果为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e918eb7ac77f13b2fb3e3d363a1e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac69e6db1df13ed64756b4f391ae9fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db713d6040535aa8ec86b7847bce851a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac29eb30617e1e19a06f0b84514727ff.png)
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名校
2 . 在
的二项展开式中,所有项的二项式系数之和为256,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
_______ ,
项的系数等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bdba0100b54ee175742a40246b4f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解题方法
3 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fbf24a7a97adfa533ad888e51ea149.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27da6068d2bcb6647cb3042410bbec21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fbf24a7a97adfa533ad888e51ea149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
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名校
解题方法
4 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de58e3a57c7b3a828adab0059b0653bb.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e6cc6a974376302fffb6ce2d869c46.png)
___________ .(用数字表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59461307c398a3c6632d29328c76f0b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de58e3a57c7b3a828adab0059b0653bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e6cc6a974376302fffb6ce2d869c46.png)
您最近一年使用:0次
解题方法
5 . 若
的展开式中只有第4项的二项式系数最大,则
的系数是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6006d04b0461c406835b4c71ec094280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3336c8ed5361c10c37300e41e03f9f2f.png)
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6 . 已知
的展开式中所有二项式系数和为64,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
_______ ;二项展开式中含
的系数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dedf3cf277df672aad96dbe446a59cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
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2017-10-06更新
|
601次组卷
|
3卷引用:浙江省源清中学2017年9月高三上学期第一次月考
名校
解题方法
7 . 若
的二项展开式中第
项和第
项的二项式系数相等,则展开式中系数最大的项的系数为_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ac9ea42ae1981569a644c51d9965d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
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2016-12-04更新
|
482次组卷
|
2卷引用:2015-2016学年浙江台州市书生中学高二下学期期中数学试卷
8 . 在二项式
的展开式中,常数项是_______ ,所有二项式系数之和是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b323dfdf6a1689ef048c036af9f02a6.png)
您最近一年使用:0次
名校
9 . 若
,其中
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910ea46a07515d063ec05b4fd54b2ab8.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b865c909cbe21b200c18df4b1676b70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70600b830576a575f32d78f42896147c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910ea46a07515d063ec05b4fd54b2ab8.png)
您最近一年使用:0次
2017-08-10更新
|
311次组卷
|
2卷引用:浙江省宁波市北仑中学2016-2017学年高二下学期期中考试数学试题