1 . (1)设
、
,
,求证:
;
(2)请利用二项式定理证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7870c36161f465fc992534b5fc3777f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7e58f57ee4e8667499e3ff9a00ab11.png)
(2)请利用二项式定理证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4fad9318b8c34e067afb27e6cefcc9.png)
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2020-07-16更新
|
745次组卷
|
8卷引用:上海市静安区2019-2020学年高二下学期期末数学试题
上海市静安区2019-2020学年高二下学期期末数学试题(已下线)专题2.6 排列组合和二项式定理【章节复习专项训练】-2020-2021学年高二数学下学期期末专项复习(沪教版)上海市复旦大学附属中学青浦分校2022-2023学年高二下学期3月月考数学试题(已下线)高二下期末真题精选(易错60题45个考点专练)(高中全部内容)(原卷版)(已下线)对点练69 二项式定理-2020-2021年新高考高中数学一轮复习对点练(已下线)考向38 二项式定理全归纳(十五大经典题型)-3(已下线)拓展二:二项式定理15种常见考法归类 -【帮课堂】2022-2023学年高二数学同步精品讲义(人教A版2019选择性必修第三册)(已下线)第03讲 二项式定理(十五大题型)(讲义)-3
2 . 记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5825bcd6980f86bbf295e8875192220b.png)
.
(1)求方程
的实数根;
(2)设
,
,
均为正整数,且
为最简根式,若存在
,使得
可唯一表示为
的形式
,试求椭圆
的焦点坐标;
(3)已知
,是否存在
,使得
成立,若存在,试求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5825bcd6980f86bbf295e8875192220b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134766c3eda3610d6b2c430f88c5907b.png)
(1)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f114ac32d8c3870e496e435ef12b1acb.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c1116ce7f5a1a7b57517276d5092fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d647fdc847206596ec8b2b80dcf6cac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe82c5d97f1ef217d78164ab7b1e9820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099c847875668a218c7e0df4e4c4b89c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00da6fa15cee05833d0e55d2a27c8586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f159deef7d9e0f5b4658ff0a1c107ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19e7eb4a3aeadc276db57f10016f861b.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edde5273ca915349f4425a60a0d7204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e494dbc2b25ffa7b7ca0e41faefe4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4c8441479fd0a1770b36f2baa95187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c44826e58f11a58d3a6c233fc5df2d.png)
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3 . 对于正项数列
,若
对一切
恒成立,则
对
也恒成立是真命题.
(1)若
,
,且
,求证:数列
前
项和
;
(2)若
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50ce3e0fbf5a125d7d4622bbe7a5e8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f009319db5b51c8f5d3a12d4e2119b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933b7c3ace69622339353431c519b13.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9645bd4d2002993b90ec6d48f9c04f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f594a129c9108ccd0292f7009718550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4cba97e970f98d7e2c5f62d4299c3f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4223bd6ee8f82d59d244371fbcddc5.png)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572057013944320/1572057020022784/STEM/050687f2755147f5bf8284ed60e44c11.png?resizew=192)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72729d795c2cf94ebecc257813db8755.png)
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