1 . 若函数
在
上恰有5个零点,且在
上单调递增,则正实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cff2c58639595bcfa207480bd459d63f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f96a23757dc485b91a6b78b496922b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba0fa0402794f431e6fe9d987f5b7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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2 . 给定数列
,定义差分运算:
.若数列
满足
,数列
的首项为1,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63592c87b83e1b785df38bc98621805b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157352244f7facf1f01a5760b5d507b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca29125a4d8d639af154c165d75cfd6a.png)
A.存在![]() ![]() |
B.存在![]() ![]() |
C.对任意![]() ![]() ![]() |
D.对任意![]() ![]() ![]() |
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解题方法
3 . 若圆
关于直线
对称的圆恰好过点
,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a7a215b210e03dd57e27cb8f0256bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1a65d88f9823d49da8f3b96ea9ec6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
4 . 已知函数
,
,若
,
,使得
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352c45e38ba008711402da4f4410bebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69f18b2078d75f882b3b59f41f5c56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e91fe37b4c33da62c1e2eaa2f860849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2fe3251e054fe97089806ba7033f802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bd584305648283baacc9d04d013eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ceddc345bfa05b7c0c61ec02470188a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-02更新
|
471次组卷
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5卷引用:山东省烟台市2023-2024学年高三上学期1月期末学业水平诊断数学试题
5 . 已知
为复数,下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
A.![]() |
B.![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() |
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6 . 先后抛掷一枚质地均匀的骰子两次,记向上的点数分别为
,设事件
“
为整数”,
“
为偶数”,
“
为奇数”,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4180f664ebc77e521bf32783cc34255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf99adccc80f28343fedd8d0aad7429.png)
A.![]() | B.![]() |
C.事件![]() ![]() | D.![]() |
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7 . 在平面直角坐标系
中,点
,向量
,且
.若
为椭圆
上一点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f402b422215aa4121999c3e4fd562537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec7ea9a9bf46fe5dfe7bdb028289bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfeee897b673b05cdf12853d2c492b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f746ec91628d5136d43c189e9b37a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf1b1b3623a4bb36891cef6ce206bc2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-13更新
|
1445次组卷
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3卷引用:山东省烟台市、德州市2024届高三下学期高考诊断性考试数学试题
8 . 已知双曲线
经过点
,离心率为
,直线
过点
且与双曲线
交于两点
(异于点
).
(1)求证:直线
与直线
的斜率之积为定值.并求出该定值;
(2)过点
分别作直线
的垂线,垂足分别为
,记
的面积分别为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b671cdde6baf9ab577330696ca8ff121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5671fb25040a712a49e8c8148d67d300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd615b70f45cf2c9a47a2c812ffe1339.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/884d40a97fd767e95f34f3b91ab8d84c.png)
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9 . 设
为两条不同的直线,
为两个不同的平面,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
A.若![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() |
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2024-03-13更新
|
1700次组卷
|
4卷引用:山东省烟台市、德州市2024届高三下学期高考诊断性考试数学试题
山东省烟台市、德州市2024届高三下学期高考诊断性考试数学试题(已下线)高一下学期期中数学试卷(基础篇)-举一反三系列(已下线)8.4.2空间点、直线、平面之间的位置关系(第2课时)湖北省恩施州高中教育联盟2023-2024学年高二下学期4月期中考试数学试题
10 . 在三棱锥
中,
,且
分别是
的中点,
,则三棱锥
外接球的表面积为__________ ,该三棱锥外接球与内切球的半径之比为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/449df2fd5f079c7dfb6c876344c7ddae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd7e09b73a3e3edfff39688accc2b90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf13c6062e23d3783b8f04e0a389fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/225e0fdd57ec9e305356d7c9f1c167e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
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6卷引用:山东省烟台市、德州市2024届高三下学期高考诊断性考试数学试题
山东省烟台市、德州市2024届高三下学期高考诊断性考试数学试题(已下线)第四章 立体几何解题通法 专题三 参数法 微点2 参数法(二)【培优版】(已下线)高一下学期期中复习填空题压轴题十七大题型专练(2)-举一反三系列(人教A版2019必修第二册)(已下线)专题15 简单几何体的表面积与体积-《重难点题型·高分突破》(人教A版2019必修第二册)(已下线)第十一章:立体几何初步章末重点题型复习(1)-同步精品课堂(人教B版2019必修第四册)(已下线)专题21 空间图形的表面积和体积-《重难点题型·高分突破》(苏教版2019必修第二册)