名校
1 . 已知函数
在x=0处的切线与直线
平行,则二项式
展开式中含
项的系数为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618b816569c2f3587425ed16bef2dd71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00a7c111ac9bfa251f43004c1ace7d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42998561ae47897f3b14a95760126fc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
您最近一年使用:0次
2022-05-23更新
|
2481次组卷
|
6卷引用:湖南省湘西州吉首市2022年第一届中小学生教师解题大赛数学试题
湖南省湘西州吉首市2022年第一届中小学生教师解题大赛数学试题湖北省襄阳市第五中学2022届高三下学期适应性考试(二)数学试题(已下线)专题13 排列组合、二项式定理(已下线)4.1 切线方程(精练)-【一隅三反】2023年高考数学一轮复习(提升版)(新高考地区专用)(已下线)专题17 二项式定理与随机变量分布(已下线)6.3.1二项式定理——课时作业(巩固版)
2 . 如图,已知抛物线
的焦点为
,直线
与抛物线交于
两点,过
分别作抛物线的切线
,
交于点
.过抛物线上一点
(在
下方)作切线
,交
于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/28/7010be9e-22f0-4144-940a-0b3e5e66e9d7.png?resizew=256)
(1)当
时,求
面积的最大值;
(2)证明
四点共圆.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91356fe1338cd458e4b1761b36873145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072104dd362a079309bcf3916901b7df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5191fd3625bf6bd3744807e3ccdb030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5191fd3625bf6bd3744807e3ccdb030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16cc6468ae954284918b1b54b188ae81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16cc6468ae954284918b1b54b188ae81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92adfef6c3f4b8c041958fbf0b01f6a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16cc6468ae954284918b1b54b188ae81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86079725fcc03d623554ce82be14514.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/28/7010be9e-22f0-4144-940a-0b3e5e66e9d7.png?resizew=256)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dedff09ac873e40c3ee0ce3ecf2fa032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8b58ad3c066807c6b456932beafe39.png)
您最近一年使用:0次