名校
1 . 已知函数
.
(1)当
时,求
的单调区间;
(2)对
,
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac75e553178eca6ff6f86cc34bd52017.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce2837a8732f5038a0245b69306d20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
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2024-02-04更新
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2775次组卷
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6卷引用:四川省成都市第七中学2023-2024学年高三上学期期末考试文科数学试卷
四川省成都市第七中学2023-2024学年高三上学期期末考试文科数学试卷(已下线)5.3.1函数的单调性 第三练 能力提升拔高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)热点2-5 导数的应用-单调性与极值(8题型+满分技巧+限时检测)(已下线)信息必刷卷01(已下线)信息必刷卷04(江苏专用,2024新题型)
名校
2 . 如图,四棱锥
中,
,
,
,平面
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/b56995dd-f6ee-483b-a61e-7ec1dd4c9451.png?resizew=166)
(1)证明:
;
(2)若
,
是
的中点,求平面
与平面
夹角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0642d7f4f43b9d65aa8cb45157e6ef12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/b56995dd-f6ee-483b-a61e-7ec1dd4c9451.png?resizew=166)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e4b16c2c6c9bd089da78122e9d2511.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ece472b33e9c4be953068aa18724df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2730b513bd3359c3dfe6567e04f5ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
您最近一年使用:0次
2024-02-04更新
|
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2卷引用:四川省成都市第七中学2024届高三上学期期末数学(理)试题
名校
3 . 已知函数
,其中
是自然对数的底数.
(1)讨论
的单调性;
(2)若
,设关于
的不等式
对
恒成立时
的最大值为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2d12ea3cb8d44621eb3a33d003b3a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b8920b1f49f6c7adb341a41fd45398.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594c23f6d93353b710cd47e2a9f55927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01b222cd9344fc3d180e80e34831aca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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2024-02-04更新
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2卷引用:四川省成都市石室中学2024届高三上学期期末数学(文)试题
23-24高三上·四川成都·期末
名校
解题方法
4 . 数列
的前
项和
,
(1)求数列
的通项公式:
(2)若
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8370a173854471a3eb27637993a3d5d.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76386b041cb1c81d8970bcc04f3db45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec4bdc2a6d4fc387dc621f0b5a268c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
名校
5 . 已知函数
,其中
是自然对数的底数.
(1)讨论
的单调性;
(2)若
,设关于
的不等式
对
恒成立时
的最大值为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2d12ea3cb8d44621eb3a33d003b3a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b8920b1f49f6c7adb341a41fd45398.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5079b55d5b3e9260552037b899bcd426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd03cd72959f312d52659325d5c2270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c52292ab167b8dcab905a1d723550a89.png)
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2卷引用:四川省成都市石室中学2024届高三上学期期末数学(理)试题
6 . 为了了解甲、乙两个工厂生产的轮胎的宽度是否达标,分别从两厂随机选取了 10个轮胎,将每个轮胎的宽度(单位:mm) 记录下来并绘制出折线图:
(2)轮胎的宽度在[193,195]内,则称这个轮胎是标准轮胎,试比较甲、 乙两厂分别提供的 10个轮胎中所有标准轮胎宽度的方差的大小,根据两厂的标准轮胎宽度的平均水平及其波动情况,判断这两个工厂哪个厂的轮胎相对更好.
(2)轮胎的宽度在[193,195]内,则称这个轮胎是标准轮胎,试比较甲、 乙两厂分别提供的 10个轮胎中所有标准轮胎宽度的方差的大小,根据两厂的标准轮胎宽度的平均水平及其波动情况,判断这两个工厂哪个厂的轮胎相对更好.
您最近一年使用:0次
名校
解题方法
7 . 已知抛物线
的焦点为
, 过
的直线
交于
两点, 过
与
垂直的直线交于
两点,其中
在
轴左侧,
分别为
的中点,且直线
过定点
.
(1)求抛物线
的方程;
(2)设
为直线
与直线
的交点;
(i)证明
在定直线上;
(ii)求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a709408c58a95069d31bbdb7ecf305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764c199d659322854377a92fee97642d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddd64f93e006d79094adac218135fa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed18bd80c6c4142f68e89f4ad44570b5.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804890b75bb8d3f6c86fbf85f32b19dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
(i)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20be2adf81b2b8d63a020a8c0990272b.png)
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|
1228次组卷
|
3卷引用:四川省成都市2023-2024学年高二上学期期末校级调研联考数学试题
名校
解题方法
8 . 已知圆的方程
,
,
,抛物线过
两点,且以圆的切线为准线.
(1)求抛物线焦点的轨迹C的方程;
(2)已知
, 设x轴上一定点
, 过T的直线交轨迹C于
两点(直线
与
轴不重合),求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54329a84abb204cecb237b2bf2ff2bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852b303689c31189cd47bb4a3220f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求抛物线焦点的轨迹C的方程;
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c153027427477bcd0a7228b14ce96cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf5077ae09443a75fb8301841116a9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b800af3d8614f3f30eefa7de8d0b581f.png)
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2024-02-03更新
|
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|
3卷引用:四川省成都市2023-2024学年高二上学期期末校级调研联考数学试题
名校
解题方法
9 . 已知O为坐标原点,
,
,点P满足
,记点P的轨迹为曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e28ce60503fab70ce1797449d90dadc.png)
(1)求曲线E的方程;
(2)过点
的直线l与曲线E交于
两点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74bdeda4c7e7dfc44086dcf4f3297a94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bffb9cf70cdb3312c1e547c3cc4b0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f204edcd6f54b84b22add0ee7a1167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e28ce60503fab70ce1797449d90dadc.png)
(1)求曲线E的方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bffb9cf70cdb3312c1e547c3cc4b0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a704469569b68ee11ab166dba3f686f0.png)
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5卷引用:四川省成都市第七中学2023-2024学年高二上学期期末复习数学试题(三)
四川省成都市第七中学2023-2024学年高二上学期期末复习数学试题(三)湖北省2023-2024学年高二上学期期末冲刺模拟数学试题(02)山东省泰安市新泰市第一中学东校2023-2024学年高二上学期期末模拟数学试题(一)(已下线)专题12双曲线(3个知识点5个拓展2个突破8种题型5个易错点)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(人教A版2019选修第一册)(已下线)模块6 平面几何篇 第3讲:平面向量的范围问题【讲】
解题方法
10 . (1)已知
是第一象限角,
,求
,
的值;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15eceb32d6e9d10d28bb5a5e94bbf0f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef966cdd137b3b10e290201b4d17542e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/982098b067fc4664d3ddafe270e2122a.png)
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