名校
1 . 选修4-4:坐标系与参数方程
以平面直角坐标系
的原点为极点,
轴的正半轴为极轴,建立极坐标系,且两种坐标系中采取相同的单位长度.曲线
的极坐标方程是
,直线的参数方程是
(
为参数).
(1)求曲线
的直角坐标方程与直线
的普通方程;
(2)设点
,若直线
与曲线
交于
两点,求
的值.
以平面直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbe1455e96ddefae948510aaa20da99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e2cda769a5a0b8773761d06b7bca51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4754fbe523ca63eba3810a3f88f37df3.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/a0807a099a06b71585d7631c44350068.png)
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2018-05-08更新
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2卷引用:【全国百强校】重庆市巴蜀中学2018届高三适应性月考(九)数学(文)试题
解题方法
2 . 在直角坐标坐标系
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
的极坐标方程
.
(1)当
时,
交
于
两点,求
;
(2)已知点
,点
为曲线
上任意一点,求
的最大值.
![](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/9d2a96aadf335a8f41365e0639358b48.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/075115a5bc60e9eae149cfae175994fc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e2c8d466ab8eb5ecd38060b53bbe8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaff41080fdea43eea7efedf9ebc1498.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57f41842628a2f1138a9f0e7939fb20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a5b86aeeeda9e8f35b5609a9c91915.png)
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2018-04-07更新
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807次组卷
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2卷引用:重庆市巴蜀中学2018届高三三月适应性月考数学(文)试题
名校
3 . 已知过点
的直线l的参数方程是
为参数
以平面直角坐标系的原点为极点,x轴的正半轴为极轴,建立极坐标系,曲线C的极坐标方程式为
.
(1)求直线l的普通方程和曲线C的直角坐标方程;
(2)若直线l与曲线C交于两点A,B,且
,求实数m的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb60e4221043163435872e5b3de5633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3fc3ad9f72bd8ccc425cce754384546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a999fda5febcf29a602dc236e5f65de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21fcde4b32dca1fdc8e31121e55cd6b7.png)
(1)求直线l的普通方程和曲线C的直角坐标方程;
(2)若直线l与曲线C交于两点A,B,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c262785b41a7ada4ddf7610ebace69.png)
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2018-07-15更新
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517次组卷
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13卷引用:2017届重庆市第一中学高三文12月月考数学试卷
2017届重庆市第一中学高三文12月月考数学试卷2017届广东惠州市高三上二模考试数学(理)试卷2017届广东惠州市高三上二模考试数学(文)试卷山东省济宁市2016-2017学年高二下学期期末考试文数试题山东省济宁市2016-2017学年高二下学期期末考试理数试题山东省曲阜师范大学附属中学2016-2017学年高二下学期期末考试数学(文)试题山东省曲阜师范大学附属中学2016-2017学年高二下学期期末考试数学(理)试题内蒙古北京八中乌兰察布分校2017-2018学年高二下学期期末考试数学(理)试题福建省晋江市季延中学2017-2018学年高二下学期期末考试数学(文)试题广西南宁市第八中学2017-2018学年高二下学期期末考试数学(理)试题江西省南昌市新建区第一中学2020-2021学年高二上学期期末考试数学(理)试题四川省巴中中学、南江中学2020-2021学年高二上学期期末联考数学(理)试题四川省巴中中学、南江中学2020-2021学年高二上学期期末联考数学(文)试题
名校
4 . 在直角坐标系
中,以原点
为极点,轴的正半轴为极轴建立极坐标系.已知曲线
的极坐标方程为
,直线的极坐标方程为
.
(1)写出曲线
与直线的直角坐标方程;
(2)设
为曲线
上一动点,求
点到直线距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1366c56bebde04866abf78a6354c9a24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0057a14765582a17bedf7619cecf70a.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2018-10-21更新
|
1032次组卷
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5卷引用:【全国百强校】重庆市第一中学2019届高三10月月考数学(理)试题
名校
5 . 在直角坐标系
中,曲线
的参数方程是
(
为参数),以该直角坐标系的原点
为极点,
轴的正半轴为极轴建立极坐标系,直线
的极坐标方程为
.
(1)写出曲线
的普通方程和直线
的直角坐标方程;
(2)设点
,直线
与曲线
相交于
两点,且
,求实数
的值.
![](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/70d24cfd0da7be6a8a884f2a3366fc81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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/33d900dc1953d3c4ae1429fc08ee07a3.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84bfec4efcc9f0e656d6864daaaef55d.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/bc488550f95275700d893cb4a041879f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2018-03-06更新
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6卷引用:【全国百强校】重庆市第一中学2017-2018学年高二下学期期末考试数学(理)试题
2013·河南·一模
名校
6 . 【辽宁省葫芦岛市2018年二模】直角坐标系
中,直线
的参数方程为
(
为参数),在极坐标系(与直角坐标系
取相同的长度单位,且以原点为极点,以
轴正半轴为极轴)中,圆
的方程为
.
(1)求圆
的直角坐标方程;
(2)设圆
与直线
交于点
,若点
的坐标为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2beb91f10d2d8f2aa0dcc3f5cd1598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab46bde94e2b0c0a9a22a18862641d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2beb91f10d2d8f2aa0dcc3f5cd1598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96799b7866bedcf3ba2d1536473e9b3b.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae1567d8f98fabc1a3948f8602cc5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b946de10d868704c0a2d15cca5b77a2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb710e6fac4c406e4715ecd6fa28744.png)
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2018-06-01更新
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22卷引用:重庆市铜梁一中2019届高三10月月考数学(文)试题
重庆市铜梁一中2019届高三10月月考数学(文)试题(已下线)2013届河南省高三高考适应性考试理科数学试卷(一)2016届海南省海南中学高考模拟十文科数学试卷2016届海南省海南中学高考模拟十理科数学试卷2016届河南省洛阳市高三考前练习二文科数学试卷2017届湖北襄阳五中高三上学期开学考数学(文)试卷辽宁省实验中学2017届高三下学期第六次模拟考试数学(文)试题辽宁省葫芦岛协作体2017届高三下学期模拟考试(6月)数学(文)试题辽宁省葫芦岛协作体2017届高三下学期模拟考试(6月)数学(理)试题2【全国校级联考】辽宁省葫芦岛协作体2017届高三下学期模拟考试(6月)数学(理)试题河南省郑州市第一中学2018届高三上学期期中考试(理科)数学试题【全国市级联考】辽宁省葫芦岛市2018届高三第二次模拟考试数学(文)试题【全国市级联考】辽宁省葫芦岛市2018年普通高中高三第二次模拟考试 数学理(已下线)2018年高考题及模拟题汇编 【理科】8.复数、算法与选修(已下线)2018年高考题及模拟题汇编 【文科】8.复数、算法与选修【全国百强校】四川省成都市第七中学2018-2019高三毕业班零诊模拟考试数学(理)试题【全国百强校】四川省成都市第七中学2017-2018学年高中毕业班零诊模拟考试数学(文)试题【全国百强校】山西省临汾第一中学2017-2018学年高二下学期期末考试数学(理)试题【全国百强校】四川省眉山市仁寿第一中学校南校区2019届高三第一次调研考试数学(文)试题【全国百强校】内蒙古包头市北方重工业集团有限公司第三中学2018-2019学年高二下学期期中考试数学(文)试题辽宁省葫芦岛协作体2017届高三下学期模拟考试(6月)数学(理)试题1安徽省阜阳市太和第一中学2019-2020学年高二(超越班)下学期教学衔接调研考试数学(理)试题
7 . 在直角坐标系
中,直线的方程为
,曲线
的参数方程为
(
为参数),点
,
分别在直线和曲线
上运动,
的最小值为
.
(1)求
的值;
(2)以坐标原点
为极点,
轴正半轴为极轴建立极坐标系,射线
与曲线
交于不同的两点
与直线交于点
,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f07178be5a4cf60b5798d5b9d51835.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c12d9f29e2a29c6d6ecba66eb2e9118.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a63b6328a7e3686d50d030bac32ede.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)以坐标原点
![](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/c84917ad5dc527cce22a8b62955ce9c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8090e30f2c83975235acaa9bffd18c21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68755aaa217d200d321852efc058d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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2018-02-01更新
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424次组卷
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3卷引用:重庆市2018届高三上学期期末考试(康德卷)数学理试题
8 . 在平面直角坐标系
中,以原点为极点,
轴正半轴为极轴建立极坐标系,已知曲线
的极坐标方程为
,且直线
(
为参数)与曲线
交于不同的两点
.
(1)求实数
的取值范围;
(2)设点
,若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89e3feead391ecc7ec22d10dc84a673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8649ce18c628d0e03e72cef541f8284f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e704aa756ca94350a12bcf867a8521a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-06-05更新
|
749次组卷
|
3卷引用:重庆市第八中学2017届高三适应性月考卷(八)文科数学试卷
9 . 在直角坐标系中,曲线
(
为参数,
),曲线
(
为参数).以坐标原点为极点,
轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为:
,记曲线
与
的交点为
.
(Ⅰ)求点
的直角坐标;
(Ⅱ)当曲线
与
有且只有一个公共点时,
与
相较于
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4253e193a301488ec8a06468fa57db3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d0dc0299730ec2bcdbc305334a53bc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e657a772c76f4c3dd063d62322e3b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(Ⅰ)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(Ⅱ)当曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c1a099b4673fe2ae0f084beae1d0b2.png)
您最近一年使用:0次
2017-02-27更新
|
815次组卷
|
4卷引用:2017届重庆市高三学业质量调研抽测(第一次)数学(理)试卷
名校
10 . 在直角坐标系
中,直线
(
为参数,
)与圆
相交于点
,
,以
为极点,
轴正半轴为极轴建立极坐标系.
(1)求直线
与圆
的极坐标方程;
(2)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444c8fc9179ab7e3349508e160651c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a160c78f124d6ed7f2d2fb62d0d524.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)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b337c93f29459c8f59a0e1cf2d94e3.png)
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