1 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41d94fe81fafc4360634c58126b31f5a.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74be0e395883f9cb867b4ab11e21080.png)
_______ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41d94fe81fafc4360634c58126b31f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f5524108a1e369b9b670ce24e3392e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74be0e395883f9cb867b4ab11e21080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da88969f0630f6543e1bd144a2cc842.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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2 . 在二项式
的展开式中,常数项是__________ ,第四项的系数是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c25529c94f06f235a1657402a7dff326.png)
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3 . 二项式
的展开式中,二项式系数最大的项是第___ 项,常数项是___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df47407b37a64b23e2a4a94901e2cc5f.png)
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解题方法
4 . 已知二项式
的展开式中,第4项的系数为-32,则n=___________ ,常数项为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e899b1f9a6828212c89e23b0abbc12d7.png)
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5 . 二项式
的展开式中第5项为常数项,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
___________ ,系数最大的项是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b12af9f76f37024f3756e644de0315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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2022-01-26更新
|
455次组卷
|
2卷引用:浙江省湖州市2021-2022学年高三上学期期末数学试题
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6 . 已知
的展开式的各项系数的绝对值之和为1024 , ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
_______ ,, 展开式中含
的项的系数为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7d4449513913251d5a14a693cacc1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29df14e65ca0096f81aed15568652d5.png)
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解题方法
7 . 若多项式
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32abcdc0b7bf9eea80ec6a75f9e4101d.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d3f884ec099ec5700ad255c0259ad0.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41a8cd921911285cd9104054bb41b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32abcdc0b7bf9eea80ec6a75f9e4101d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d3f884ec099ec5700ad255c0259ad0.png)
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8 . 设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90830a254d857b5581f230a47572be93.png)
___________ ,
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01690a3f4d0d83ed1ae03b2461748ea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90830a254d857b5581f230a47572be93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c66e95d308820ac8e07a972f25dec88c.png)
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9 . 二项式
的展开式中,常数项为___________ ,系数最大的项为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c25529c94f06f235a1657402a7dff326.png)
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10 . 已知
的展开式中各项系数之和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_________ ,展开式中的常数项为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f40c11fb7f6b4059a2683e326fb7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814397354c2ae1cb08e0271305970811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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