解题方法
1 . 已知数列
满足
,数列
是公差为1的等差数列,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03328a25e4999b3f2e9afee19b21e94.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70df8a0472e58ff8ba1161b36b15938c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d44b411ed9a1c7795d74d394fb5dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03328a25e4999b3f2e9afee19b21e94.png)
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解题方法
2 . 已知
,
为椭圆C:
的焦点,过
的直线l与C交A,B两点,则
的内切圆面积最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6dba18751d6641f9fa02f5756be97a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
您最近一年使用:0次
3 .
展开式中
的系数为__________ (用数字作答).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a10704a7a6c263007e55380462c0a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083d3c16d3885932ec55571276dbfec8.png)
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2024-02-04更新
|
935次组卷
|
4卷引用:江西省赣州市2024届高三上学期期末数学试题
江西省赣州市2024届高三上学期期末数学试题2024届高三新改革适应性模拟测试数学试卷二(九省联考题型)(已下线)第1讲:二项式定理和二项分布的最值问题【讲】江西省丰城市第九中学2023-2024学年高二下学期4月月考数学试题
解题方法
4 . 已知
为椭圆
的两个焦点,过
的直线与C交于M,N两点.若
,
,则C的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b7b8327139b0058a512a8b256f1a3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7155f4135d1d728947cb3986675533.png)
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5 . 某小区计划修建一个圆台形的花台,它的上、下底面半径分别为
和
.若需要
的土才能把花台填满,则花台高为__________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f328ba89c0a92a4447788b65571f7aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71a41641aa0d0e45a3c03d3d2c1196b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a56d96ed4160635ac70ca244f0b146a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
您最近一年使用:0次
解题方法
6 . 已知函数
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269825e00dd4ca41ede8e1ab325d66ea.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f5419a202054bd3f89b84526c327a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269825e00dd4ca41ede8e1ab325d66ea.png)
您最近一年使用:0次
解题方法
7 . 已知幂函数
在
单调递减,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a259f1d9045db28ada3cbe2ff4b0608a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
8 . 已知函数
,若对任意
,
,都有
恒成立,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54bb7a145658ffa16536ef70de516465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7f55efbff8fb83300014c24228bd68b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a141a268c43ffb048feb90db20d17bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2024·全国·模拟预测
名校
9 . 已知
,函数
,其中
为自然对数的底数.若函数
恰有4个零点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420d61967ccf4993c09d2e5c11b54846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf46f252ebae313b89d653fa06fbc66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-01-30更新
|
384次组卷
|
4卷引用:江西省赣州市南康中学2024届高三上学期"七省联考"考前数学猜题卷(十)
江西省赣州市南康中学2024届高三上学期"七省联考"考前数学猜题卷(十)(已下线)2024南通名师高考原创卷(十)广东省惠州市第一中学2024届高三上学期第四次阶段测试数学试题(已下线)专题10 导数12种常见考法归类(5)
10 . 已知
,
是相互独立事件,但不是互斥事件,若
,
,则事件
的概率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e45f11a89056025fc55e35b024bb6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d3449e4719063d21c2210043c3d85b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
您最近一年使用:0次