名校
解题方法
1 . 已知实数
,
满足
,则代数式
的最大值为______ .
![](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/2c9fbdbc58b8268344cab615b33986c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285bb8dac8bdbbda922db848827578bf.png)
您最近一年使用:0次
2023-12-02更新
|
504次组卷
|
2卷引用:湖南省浏阳市2023-2024学年高二上学期期末质量监测数学试卷
2 . 在直角坐标系
中,点
,直线
.设动点
到
的距离为
,且
.以点
为极点,
轴正半轴(
点右侧)为极轴,建立极坐标系.
(1)求
轨迹
的极坐标方程;
(2)直线
为参数),与
交于
、
两点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2977eea43a781e06d93e04a395a309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0667fd53392abfa58d360e78814eaf51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c33a784ffdf8c129f217c4e572df097a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.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/d44e8bc37ed03f44470762748a8f942a.png)
您最近一年使用:0次
解题方法
3 . 若实数
,
满足
,则
的最大值为______ .
![](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/792d738d46f28d353007440ccf146389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f91b179acc44eef5f8aae72a391997.png)
您最近一年使用:0次
4 . 在直角坐标系xOy中,曲线
的参数方程为
(t为参数),以O为极点,x轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
,且两曲线
与
交于M,N两点.
(1)求曲线
,
的直角坐标方程;
(2)设
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cfcc8f5fa8b77da897f79a3d836a761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077fb03a29367cd96896163e12dce477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5de78b493bc2cc9696c584325c22ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9f54c128a1be846ff9ceb4444c112f.png)
您最近一年使用:0次
2022-04-28更新
|
2118次组卷
|
10卷引用:西藏日喀则市2022-2023学年高二下学期期末统一质量检测数学(文)试题
西藏日喀则市2022-2023学年高二下学期期末统一质量检测数学(文)试题内蒙古通辽市2022届高三4月模拟考试数学(理科)试题(已下线)2022年高考考前20天终极冲刺攻略(四)【理科数学】(6月4日)内蒙古通辽市2022届高三4月模拟考试数学(文科)试题四川省遂宁市绿然学校2022-2023学年高三上学期入学考试数学文科试卷(已下线)第01讲 极坐标与参数方程(练)内蒙古赤峰市2023届高三下学期1月模拟考试文科数学试题内蒙古赤峰市2023届高三上学期1月模拟考试理科数学试题(已下线)三省三校2022届高三下学期第一次模拟数学(理)试题变式题21-23四川省绵阳市三台中学2024届高三一模数学(理)试题(一)
5 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数,
).
(1)求曲线
的直角坐标方程;
(2)已知直线
的参数方程为
(
为参数,
),点
,并且直线
与曲线
交于
两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4bf298bac6afc553ed0211c479a7b94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc0bf1a42bc61d6b3c1e77f060d06d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/449d2d8415e63f7fdd67d19af1c09a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5026e1d5fcf2498b2e5ec5da4e0b11b2.png)
您最近一年使用:0次
2022-01-10更新
|
1834次组卷
|
3卷引用:河南省南阳市2021-2022学年高二下学期期末数学文科试题
名校
6 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数且
),以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)说明
是哪种曲线,并将
的方程化为极坐标方程;
(2)设点
的极坐标为
,射线
与
的交点为
(异于极点),与
的交点为
(异于极点),若
,求
的值.
![](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/86cbc69a6dfbb156d5f1dc5155c7136e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf13332b32a846c4b0d76c4a41724fc.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/925b34a1e7a48f450d883f9a0197e5c9.png)
(1)说明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef2611fdb7d020c3abd494050a940f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e775061b3e42b58cf1e4f0c9748d3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0814a340c544d5f5d8eef8bc00c434b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5ff741ddf4211f6f20b63220bc8893.png)
您最近一年使用:0次
2021-03-21更新
|
2464次组卷
|
13卷引用:四川省成都市石室中学2021-2022学年高二下学期零诊模拟练习文科数学试题
四川省成都市石室中学2021-2022学年高二下学期零诊模拟练习文科数学试题湘豫名校联考2020-2021学年高三(3月)理科数学试题湘豫名校联考2020-2021学年高三(3月)文科数学试题湘豫名校联盟2021届高三3月联考数学(文)试题(已下线)押第22题 极坐标与参数方程-备战2021年高考数学(文)临考题号押题(全国卷1)(已下线)押第22题 极坐标与参数方程-备战2021年高考数学(理)临考题号押题(全国卷1)江西省萍乡市2022届高三第一次质量检测数学(文)试题江西省萍乡市2022届高三第一次质量检测数学(理)试题四川省成都市成华区成都列五中学2021-2022届高三上学期数学(理)入学摸底考试试题四川省成都列五中学2022-2023学年高三上学期入学摸底考试数学(理科)试题江西省抚州市金溪县第一中学2023届高三上学期第一次月考数学(理)试题(已下线)第01讲 极坐标与参数方程(练)四川省绵阳南山中学实验学校2023届高三补习班下学期2月考试考试理科数学试题
名校
7 . 数学中有许多形状优美、寓意美好的曲线,如星形线(如图),若让一个半径为
的圆在一个半径为
的圆内部,沿着圆的圆周滚动,小圆圆周上的任一点形成的轨迹即为星形线,其方程为
,给出下列四个结论,正确的有( )
![](https://img.xkw.com/dksih/QBM/2021/1/23/2642242996936704/2651074466897920/STEM/c29be142c2fb4e608f4708b4cea1ede7.png?resizew=175)
(1)星形线的参数方程为:
(
为参数)
(2)若
,则星形线及其内部包含33个整点;(即横、纵坐标均为整数的点)
(3)曲线
在星形线
的内部(包含边界);
(4)设星形线围成的面积为
,则
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7081727a19eba3003a689f78872086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309ad39777b3791c60c6c2782fd1e41f.png)
![](https://img.xkw.com/dksih/QBM/2021/1/23/2642242996936704/2651074466897920/STEM/c29be142c2fb4e608f4708b4cea1ede7.png?resizew=175)
(1)星形线的参数方程为:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ba98a3cbae70b69aaa45d034f358b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
(3)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaceba4bfaac6c7a6dff561d92d9096a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb228a835eea0494d4422a42e77dd69.png)
(4)设星形线围成的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d53b0f9c28ab94f1f6c1db3766b6b88b.png)
A.(1)(3)(4) | B.(1)(2)(3)(4) |
C.(2)(3) | D.(1)(2)(3) |
您最近一年使用:0次
2021-02-04更新
|
508次组卷
|
3卷引用:上海市上海中学2020-2021学年高二上学期期末数学试题
名校
解题方法
8 . 设点
在椭圆
上,点
在直线
上,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e4a41cbe3d1f25154602dee11d36ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07225849d13e453ce2efbac7d5cfc0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e550003c0f49e3ea176d551eedae1699.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2021-01-31更新
|
1357次组卷
|
4卷引用:浙江省宁波市2020-2021学年高三上学期期末数学试题
浙江省宁波市2020-2021学年高三上学期期末数学试题(已下线)专题4-1 三角函数性质、最值和w小题归类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)陕西省西安市铁一中学2020-2021学年高二下学期期中理科数学试题(已下线)第五篇 向量与几何 专题19 抽象距离 微点2 抽象距离——曼哈顿距离(二)
名校
9 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),直线
与曲线
交于
,
两点.以原点
为极点,
轴的正半轴为极轴建立极坐标系.
(1)求曲线
的极坐标方程;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd494adc8e1ca5cc8613069218f97c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcb4841ae7bb1d5f91837094cdfcf2c.png)
您最近一年使用:0次
2020-12-20更新
|
1678次组卷
|
5卷引用:黑龙江省哈尔滨工业大学附属中学2020-2021学年度高二下学期期末考试文科数学试题
黑龙江省哈尔滨工业大学附属中学2020-2021学年度高二下学期期末考试文科数学试题陕西省2020-2021学年高三上学期教学质量检测测评卷一文科数学试题陕西省2020-2021学年高三上学期教学质量检测测评卷一理科数学试题(已下线)专题29 坐标系与参数方程(解答题)-2021年高考数学(理)二轮复习热点题型精选精练(已下线)专题27 坐标系与参数方程(解答题)-2021年高考数学(文)二轮复习热点题型精选精练
10 . 在平面直角坐标系
中,曲线
的参数方程为
,
为参数).以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,曲线
的直角坐标方程为
.
(1)求曲线
的普通方程和直线
的极坐标方程;
(2)射线
,
和曲线
分别交于点
,
,与直线
分别交于
,
两点,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f0b3463a7e4c78dc8c16e06bbb9bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608172a5a6acb7aec81dc3791c2f287e.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5277e54618dcf6e6dd3f50f10d653f4f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099181ee7e04c3d096c193b424abab48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e308ac24c8b0d17ccf634376c7cfea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2020-10-31更新
|
1981次组卷
|
8卷引用:陕西省渭南市集才中学老城分校2022届高三上学期期末数学(文)试题
陕西省渭南市集才中学老城分校2022届高三上学期期末数学(文)试题内蒙古赤峰市2020届高三(5月份)高考数学(理科)模拟试题(已下线)第十五单元 不等式选讲(选讲)(B卷 滚动提升检测)-2021年高考数学(理)一轮复习单元滚动双测卷(已下线)第十四单元 不等式选讲(选讲)(B卷 滚动提升检测)-2021年高考数学(文)一轮复习单元滚动双测卷河南省开封市五县部分校2021-2022学年高二下学期月考数学(文)试题四川省遂宁市射洪中学2022-2023学年高三上学期入学考试数学文试题(已下线)第01讲 极坐标与参数方程(练)广西梧州市黄埔双语实验学校2022届高三上学期期中考试数学(文)试题