名校
1 . 已知函数
是奇函数,函数
,则对于任意的
,
,
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25669b8b8207805fff2da66e262dbd78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4f4a2f3bace12800df61c687bf3965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a905735f6517a730418ef5613107708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a306d6cd5034071906f72e3fbeb907.png)
您最近一年使用:0次
名校
2 . 在直角坐标系xOy中,以x轴非负半轴为极轴,以坐标原点为极点建立极坐标系,曲线C的极坐标方程为
,
为曲线C上的点.
(1)求a的值,并求曲线C的直角坐标方程;
(2)若A,B是曲线C上的两个动点,且
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b347bb644a45e137a265d3405be7c6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f52ca1df3ff78c00f7fb62446561414.png)
(1)求a的值,并求曲线C的直角坐标方程;
(2)若A,B是曲线C上的两个动点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d162c29b1e484cfc87350dd68f00b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
您最近一年使用:0次
2022-06-13更新
|
773次组卷
|
5卷引用:河南省许平汝漯2021-2022学年高二下学期6月大联考数学(理科)试题
解题方法
3 . 已知点
是曲线
(
为参数)上任意一点,则点P到直线
的距离的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fb6bf074e3e812bf7a4f6271ff27e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dccc3bd9b101d42b5a6c9a01153a536.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知在数列
中,对任意的
,
恒成立,当且仅当
时,
取得最小值,且
,则满足上述条件的
的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc105f00bf48b0f228f411ab7b5c999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7853f405ef98a2c81c1c66a1288b0e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
A.1 | B.2 | C.4 | D.5 |
您最近一年使用:0次
2020-12-02更新
|
264次组卷
|
2卷引用:豫南九校2022-2023学年高二上学期第三次联考数(理)试题