名校
解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdd47fc3eb668f4042065b9bc6c87e1.png)
(1)若
,求函数
的单调递减区间;
(2)若关于x的不等式
恒成立,求整数 a的最小值:
(3)若
,正实数
满足
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdd47fc3eb668f4042065b9bc6c87e1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196be101149acfb6a6c4ceca7fc96828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a527fde68b2bbeec4fe524dafff4b9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8edc9a8dca8cf050887b4915bfc962f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6330de640d51bb3970813289a4de3a5d.png)
您最近一年使用:0次
2016-12-03更新
|
7322次组卷
|
16卷引用:吉林省实验中学2019-2020学年高二下学期期末考试数学(理)试题
吉林省实验中学2019-2020学年高二下学期期末考试数学(理)试题2015届江苏省连云港、徐州、淮安、宿迁四市高三一模考试理科数学试卷2015届江苏省连云港、徐州、淮安、宿迁四市高三一模考试文科数学试卷2016届江苏省歌风中学高三九月月考数学试卷2016-2017学年福建福州外国语学校高二文期中数学试卷广东省中山市2018届高三上学期期末考试数学(理)试题【全国校级联考】江苏省溧水第二高级中学等七校2017-2018学年高二下学期期联考数学试题江苏省南京市秦淮中学2017-2018学年高二下学期期中考试数学试题四川省泸州市泸县第一中学2019-2020学年高二下学期第四学月考试数学(文)试题四川省泸州市泸县第一中学2019-2020学年高二下学期第四学月考试数学(理)试题(已下线)专题19 函数与导数的综合-2020年高考数学母题题源解密(江苏专版)(已下线)极值点偏移专题07极值点偏移问题的函数选取(已下线)极值点偏移专题05含对数式的极值点偏移问题天津市新华中学2021-2022学年高三上学期期末数学试题湖南省娄底市新化县五校联盟2022-2023学年高三上学期期末联考数学试题北京市北京师范大学第二附属中学2022届高三上学期期中考试数学试题
2 . 在锐角
中,
为角
所对的边,且
.
(1)求角
;
(2)若
,且
是锐角三角形,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2ab381fbdf46880119baedd5df7541.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
您最近一年使用:0次
2016-12-03更新
|
2166次组卷
|
2卷引用:吉林省长春外国语学校2017-2018学年高一下学期第一次月考数学试题
9-10高一下·吉林长春·期末
3 . 如图,直角三角形ABC的顶点坐标A(
)、B(0,
),顶点C在x轴上,点P为线段OA的中点,设圆M是△ABC的外接圆,若DE是圆M的任意一条直径,试探究
是否是定值?若是,求出定值;若不是,请说明理由.
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572224964763648/1572224970776576/STEM/5115fae55a7a4eb28821f52c60985c58.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572224964763648/1572224970776576/STEM/6e04a9c41fd64ee5b5857d5a41da8a08.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572224964763648/1572224970776576/STEM/aca2e0c20c054499869481f5297144c4.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572224964763648/1572224970776576/STEM/d59233875b5c4c6b870d0e0e8a22d107.png)
您最近一年使用:0次
4 . 已知
满足线性约束条件
求:
(1)
的最大值和最小值.
(2)
的最大值和最小值.
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572224964763648/1572224970743808/STEM/b904319f1a3448fda60689fefd80521a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c9774b4c58fec3a25131b82763dfe9.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52bc01b9e84f915a5d932004762eecf2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a97c2f9954293d101a4f604fe177946.png)
您最近一年使用:0次
5 . 若定义在
上的函数
满足
,
,
.
(Ⅰ)求函数
解析式;
(Ⅱ)求函数
单调区间;
(Ⅲ)若
满足
,则称
比
更接近
.当
且
时,试比较
和
哪个更接近
,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce8fe5773f87151de1ed07899b3d060.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42587532619a52dcbe365a84d5358a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(Ⅲ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d32d4403d0e81eacfbe429dc51f07f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a5e3f8300a3b10c0da22c5a102800d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b06387179d53c1e474fcfcb408b1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc5f7f693c29c85c6037dd54652d2708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd50cac4b936064aafaca858893b975e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4c7d5aee3615cdb65b3dd4e24da7bc6.png)
您最近一年使用:0次
2016-12-03更新
|
563次组卷
|
8卷引用:2015届吉林省长春市普通高中高三质量监测三理科数学试卷
解题方法
6 . 已知函数
(
).
(1)若函数
在
处取得极值,求
的值;
(2)在
的条件下,求证:
;
(3)当
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ec1a7ac8cac7ccba1e3e04ff1c95fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47f3537146a320b1a73f295ebc9c6d0e.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50dce2308cf6c4b9dc0a85ec93c3c07c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
7 . [选修4-4:坐标系与参数方程]
在直角坐标系
中,曲线
的参数方程为
(
为参数);以原点
极点,以
轴正半轴为极轴,建立极坐标系,曲线
的极坐标方程为
.
⑴ 求曲线
的普通方程与曲线
的直角坐标方程;
⑵ 试判断曲线
与
是否存在两个交点,若存在求出两交点间的距离;若不存在,说明理由.
在直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95efe6e8b6a8eac735062f6356a32b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaecfa11fd7f4d42e2c8b76e274aff4.png)
⑴ 求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
⑵ 试判断曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
您最近一年使用:0次
2016-12-03更新
|
1781次组卷
|
4卷引用:2015届吉林省长春市普通高中高三质量监测(二)理科数学试卷
8 . 在
中,顶点
,
,
、
分别是
的重心和内心,且
.
求顶点
的轨迹
的方程;
过点
的直线交曲线
于
、
两点,
是直线
上一点,设直线
、
、
的斜率分别为
,
,
,试比较
与
的大小,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4830a5e6437787c7cfc05f8b5c3ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e878bdc375dab19fade97e8ffa85bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cef1c98d3599f08794f0d90966fe87f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c783bab7586f60dc14d4f10b6d5b12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a0263314b244a157d2f81a7fa2359d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4830a5e6437787c7cfc05f8b5c3ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d12a85395c06ea74a59d401f2fcbe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baca09215d12421a58bd6a48ae16c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa5694373bd78b1ca2180f831bf1c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9c827e46d1a395fafbf15cdd6c6c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0c12379ff58d8ddf66547d7a873baf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca66a268d6f46e0e9d5d9151b785be60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9c827e46d1a395fafbf15cdd6c6c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab653ffa6acf8b28096ff54719579d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84326b6492a5ca36a291f7c4c184d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4446eae75ffae2cde44686577653cec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a7bad1eeb9b7e41965acf3b247f6c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f1c8a441108e2dd80f01061e9b29f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf434334b09cc0fdd4e86e84e6ceb00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae72b3aa1e2be40cb366247a0bea223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8e0773250f233387a78f1ebe6aeab4.png)
您最近一年使用:0次
9 . 已知函数
为偶函数且
,又
,函数
,若
恰好有
个零点,则
的取值范围是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a75c936af6a5abfd9a261b1df48a774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd194928d07910bfa5745f4660a07a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b187eca81731153e150a7255cd0962cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f73d558ee07ea98ddfa29d02f9990585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
376次组卷
|
3卷引用:2015届吉林省长春市普通高中高三质量监测(二)理科数学试卷
名校
10 . 设P,Q为一个正方体表面上的两点,已知此正方体绕着直线PQ旋转
(
)角后能与自身重合,那么符合条件的直线PQ有_____ 条.
![](https://img.xkw.com/dksih/QBM/2015/3/23/1572021021925376/1572021027758080/STEM/9048585b7c5c406bb46aea8c457f1df1.png?resizew=8)
![](https://img.xkw.com/dksih/QBM/2015/3/23/1572021021925376/1572021027758080/STEM/d0e52708645944b395867e51b0504b95.png?resizew=69)
您最近一年使用:0次
2016-12-03更新
|
1501次组卷
|
5卷引用:吉林省东北师范大学附属中学2022-2023学年高二上学期大练习一数学试题
吉林省东北师范大学附属中学2022-2023学年高二上学期大练习一数学试题2015届北京市西城区高三上学期期末考试理科数学试卷浙江省杭州市第四中学(吴山)2018-2019学年高二上学期期末数学试题(已下线)8.4空间点、直线、平面之间的位置关系C卷(已下线)第09讲 空间点、直线、平面之间的关系(核心考点讲与练)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)