名校
1 . 已知函数
,过原点作曲线
的切线
,则切线
的斜率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb82f764fcde4a91f4ec4d9c7a320d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2024-03-29更新
|
867次组卷
|
3卷引用:海南省部分学校2023-2024学年高三下学期高考全真模拟卷(六)数学试题
解题方法
2 . 设
分别为椭圆
的左、右焦点,O为坐标原点,点P在C上,若
,则
的内切圆的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7fb7409d08c03dcd751cf17a4006f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
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3 . 把物体放在冷空气中冷却,如果物体原来的温度是
,空气的温度是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18c9583db613005922ec8d316ee94d3.png)
后物体的温度可由公式
求得,且把温度是
的物体放在
的空气中冷却
后,物体的温度是
,那么
的值约等于______ .(保留一位小数)(参考数据:
取1.099,
取0.693)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2456350210a7ed02daeb0010abc376a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18c9583db613005922ec8d316ee94d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f67e1147d0df6c52b45be0d2f8da090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962d6068a75a376f8487de79d4cbd80a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6cca692e47077db0c89675b1beb4847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c534228d6a812977052bc1afa5a95f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cec183057249005d5f234c4bea5de7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866116aa168650d791609535627e3cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9df64fe88017dc4b4e97fbb6e276f6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e24d42f61784c642e9eb1316afdd2ad.png)
您最近一年使用:0次
4 . 已知数列
是递减数列,且
,则实数t的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73584199a0c438a9caa35527bbdfd5d6.png)
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5 . 《几何原本》是古希腊数学家欧几里得的数学著作,其中第十一卷称轴截面为等腰直角三角形的圆锥为直角圆锥.已知圆锥
是直角圆锥,底面直径
是圆锥侧面上一点,若点
到圆锥底面的距离为1,则三棱锥
体积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f74c3b0f7dead2845b967c419404d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd3b6cf2e17d221c8aaeb70e81ef48.png)
您最近一年使用:0次
名校
解题方法
6 . 设
为锐角,若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d57cdc1edc0a98694a400e2095bff750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d43bd87f55f9ca8d4092eebf95c3704.png)
您最近一年使用:0次
名校
解题方法
7 . 设
,满足
,则
的最小值是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a9344f4fca7b9779ca7720e5277ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558c083d34cbb0a58d3ce1dc6f5778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeb707c13aee480af3ffb10d218a6c5.png)
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2023-12-05更新
|
429次组卷
|
3卷引用:海南省乐东黎族自治县华东师范大学第二附属中学乐东黄流中学2023-2024学年高一下学期开学摸底考试数学试题
名校
解题方法
8 . 已知双曲线
的左右焦点分别为
,
,O为坐标原点,点P在双曲线上,若
,
,则此双曲线的渐近线方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](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/a9eeaee7d7bb770dcb17be819d9d95d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ffc2f164dd7e947cff01169935f960.png)
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2022-09-07更新
|
929次组卷
|
5卷引用:海南省海口中学2023届高三上学期9月摸底考试数学试题
名校
解题方法
9 . 已知函数
和
定义域均为
,且
为偶函数,
为奇函数.对于
,均有
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a5745166d4a2b3fb67a474ade47d5c.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb71728a3a84771f082cc6bf6cc519f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec30b976050626bb61e53dce51596f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa432bd9eef33528cd18a567fc0030a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a5745166d4a2b3fb67a474ade47d5c.png)
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2022-08-27更新
|
861次组卷
|
5卷引用:海南省海口中学2023届高三上学期9月摸底考试数学试题
10 . 过点
作圆
的两条切线,设切点分别为A,B,则线段![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/889a5e04c5187fb20415a59ce6adeed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f285c23bbc61f073e174b411d4116d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
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2021-01-22更新
|
557次组卷
|
6卷引用:海南省三亚华侨学校2020-2021学年高二下学期返校考试数学试题
海南省三亚华侨学校2020-2021学年高二下学期返校考试数学试题(已下线)河南省信阳高级中学2020-2021学年高一下学期开学考试数学(理)试题湖北省黄冈市2020-2021学年高二上学期期末数学试题湖北省随州市2020-2021学年高二上学期期末数学试题湖北省天门市2020-2021学年高二上学期期末数学试题湖南省长沙市周南中学2021-2022学年高二上学期第三次月考数学试题