解题方法
1 . 已知定义在
上的函数
满足
,当
,时,
.下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2828d7e8b93a9f3e43181d74949dae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813b9aa31af28f99d21fc0dc0c95475c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f21febe8749e5e598124c2f6bb4025.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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2024-03-08更新
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2卷引用:江西省五市九校2024届高三下学期2月开学联考数学试卷
解题方法
2 . 已知抛物线
的焦点为
各顶点均在
上,且
.
(1)证明:
是
的重心;
(2)
能否是等边三角形?并说明理由;
(3)若
均在第一象限,且直线
的斜率为
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8227f202e22d37de63db90ea5223916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c99ec52a426b6e3571e5a09a0ff1a4b.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c28abb154f41e1ca9816c9c9c2433ca.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c28abb154f41e1ca9816c9c9c2433ca.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2933e6e1635d0399ce29b2e5191841a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c28abb154f41e1ca9816c9c9c2433ca.png)
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2024-02-27更新
|
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4卷引用:江西省名校教研联盟2024届高三下学期2月开学考试数学试卷
名校
解题方法
3 . 已知椭圆
(
)的离心率为
,其上焦点
与抛物线
的焦点重合.若过点
的直线交椭圆
于点
,过点
与直线
垂直的直线
交抛物线
于点
(如图所示),则四边形
面积的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a0e7a68e0ce319f3df1f2ce30e3e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61be090d2f56224b572047d9b36dc3d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52041559f8fee18bfa3e2e2ac07c3bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87391c2b154b302f4bf939035f59b99c.png)
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2024-01-12更新
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4卷引用:江西省新余市实验中学2023-2024学年高二下学期开学摸底考试数学试卷
江西省新余市实验中学2023-2024学年高二下学期开学摸底考试数学试卷上海市青浦区朱家角中学2023-2024学年高二上学期期末考试数学试题(已下线)专题02 圆锥曲线中的求值问题(三大题型)(已下线)专题04 圆锥曲线(六大题型+优选提升题)-【好题汇编】备战2023-2024学年高二数学下学期期末真题分类汇编(沪教版2020选择性必修,上海专用)
名校
解题方法
4 . 在三棱锥
中,
,
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70734a8e672376bb0bd1522e229f86a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1667a482b4cc485d2db75bd13187e8a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55496a010eaba9ba50e7ad8136a16de1.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.![]() ![]() |
D.三棱锥![]() ![]() |
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2023-11-02更新
|
844次组卷
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3卷引用:江西省南昌市江西师范大学附属中学2024届高三下学期开学考(数学)试卷
5 . 抛物线
与x轴交于
,
两点,与y轴交于点C,直线
经过点B.点P在抛物线上,设点P的横坐标为m.
(1)求抛物线的表达式和
的值;
(2)如图1,连接AC,AP,PC,若△APC是以CP为斜边的直角三角形,求点P的坐标;
(3)如图2,若点P在直线BC上方的抛物线上,过点P作PQ⊥BC,垂足为Q,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40cdd28d8a7f857835dabdf14880bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5634528ca133fee203004bbc4789fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bda45b7f565147f18a5c83bb8a23142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2617bc966d043c68fb601ebb815b4f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/16/053546cc-f746-4e89-bd9d-5fc87c7323fa.png?resizew=259)
(1)求抛物线的表达式和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed0b65d9e19c2dd79eb60dabf76ee31.png)
(2)如图1,连接AC,AP,PC,若△APC是以CP为斜边的直角三角形,求点P的坐标;
(3)如图2,若点P在直线BC上方的抛物线上,过点P作PQ⊥BC,垂足为Q,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841af1fa47393552ec6807526c8e5308.png)
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解题方法
6 . 已知椭圆
的离心率为
,且点
在
上.
(1)求
的方程;
(2)设
为坐标原点,直线
与
交于另一点
,与直线
平行的直线交
于
,
两点,直线
与
交于点
,证明:直线
的斜率为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef404abca1f78da130a38849f58559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c14ff9b66f21c05e52dc3c8908c2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0c0a2c64eede381b69dbd19f448a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
(
且
)在
上有两个极值点
,
,则实数
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326bf8f6934d175069da6b8b6e2a1064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-09-03更新
|
490次组卷
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2卷引用:江西省南昌市等5地2024届高三上学期开学数学试题
名校
8 . 已知函数
.
(1)求函数
的单调递增区间;
(2)若
,存在
,对任意
,有
恒成立,求
的最小值;
(3)若函数
在
内恰有2023个零点,求
与
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2594baf2181f6fe3c8c6ab03025ad5d9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c64577552ee95bfce0c11e4f24dc1699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5223ece2f8f76850c49e2505304532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d6cde03a4f2e49579650b7704598a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1617144e812815a6963c0a03725cd463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b859c06fb2c7f9e8685e3adf8cfbf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2023-07-16更新
|
1430次组卷
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9卷引用:江西省都昌县第一中学2023-2024学年高二上学期入学考试数学试题
江西省都昌县第一中学2023-2024学年高二上学期入学考试数学试题江西省上饶市2022-2023学年高一下学期期末教学质量测试数学试题(已下线)福建省部分学校教学联盟2023-2024学年高一下学期开学质量监测数学试题辽宁省沈阳市东北育才学校少儿部2023-2024学年高三上学期第一次模拟考试数学试题(已下线)第五章 三角函数(压轴题专练)-速记·巧练(人教A版2019必修第一册)(已下线)专题5.11 三角函数全章综合测试卷(提高篇)-举一反三系列(已下线)高一上学期期末数学试卷(提高篇)-举一反三系列(已下线)高一上学期期末考试解答题压轴题50题专练-举一反三系列(已下线)专题04 三角函数恒等变形综合大题归类 -期末考点大串讲(苏教版(2019))
9 . 已知函数
,其中
,
(1)若
,
(i)当
时,求
的单调区间;
(ii)曲线
与直线
有且仅有两个交点,求
的取值范围.
(2)证明:当
时,存在直线
,使直线
是曲线
的切线,也是曲线
的切线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3373d211a4a1bf81e1ebfb146fcddf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3a42b6fd4fff031515c4845db4a947.png)
(i)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(ii)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932e474e861cbef4611e8bdebf2814f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
您最近一年使用:0次
2023-04-26更新
|
997次组卷
|
2卷引用:江西省万安中学2024届高三上学期开学考试数学试题
名校
解题方法
10 . 给定整数
,由
元实数集合
定义其相伴数集
,如果
,则称集合S为一个
元规范数集,并定义S的范数
为其中所有元素绝对值之和.
(1)判断
、
哪个是规范数集,并说明理由;
(2)任取一个
元规范数集S,记
、
分别为其中最小数与最大数,求证:
;
(3)当
遍历所有2023元规范数集时,求范数
的最小值.
注:
、
分别表示数集
中的最小数与最大数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825aebd95112da4ea868624c6a8d5e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f292ceb39541a09e4e0895236888b758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1caf54f3f842ff7aef9ad1383a8631f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f786ac371d6a08506bffda41dcac71.png)
(2)任取一个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a74839dfa76d4637641dcb41270e0618.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83dfa7b5f718ed24cde77b169b3d76f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
注:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f5e363bbded380a6c6e5d51405e5fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3ba68338f7e2594df13b30ed67ecfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
您最近一年使用:0次
2023-02-24更新
|
4311次组卷
|
12卷引用:江西省南昌市江西师范大学附属中学2024届高三下学期开学考(数学)试卷
江西省南昌市江西师范大学附属中学2024届高三下学期开学考(数学)试卷北京市清华大学附属中学望京学校2022-2023学年高一下学期2月统练(开学考试)数学试题(已下线)第二篇 函数与导数专题5 切比雪夫、帕德逼近 微点3 切比雪夫函数与切比雪夫不等式(已下线)2024年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题变式题16-19安徽省合肥一六八中学2024届高三“九省联考”考后适应性测试数学试题(一)2024届高三新高考改革数学适应性练习(一)(九省联考题型)(已下线)黄金卷03(2024新题型)(已下线)信息必刷卷05(已下线)信息必刷卷04(江苏专用,2024新题型)河南省信阳市新县高级中学2024届高三下学期3月适应性考试数学试题(已下线)数学(九省新高考新结构卷01)(已下线)压轴题01集合新定义、函数与导数13题型汇总-2