1 . 若集合
,
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffbcf6786a14fe63305d779c75974b21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3198161b30b85262907c42c86e33aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知函数
(
是自然对数的底数).
(1)求
的单调区间;
(2)若
,当
对任意
恒成立时,
的最大值为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddec5196401b8078b07a4f9f5a62240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a380067a20c25338eb0312e8df6c2760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd257a789e86695c655d6f33ecf0798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1198e1f5033eb1780d1e98d36f93d58a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-04-13更新
|
835次组卷
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4卷引用:2017届海南省海口市高三4月调研测试数学(理)试卷
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3 . 设正数
,
满足方程
,若不等式
有解,则实数
的取值范围是
![](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/40a94b7dd32b0e20ee7d4952d84bb975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9710edc6dab046523653eb45a7446ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-04-13更新
|
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4 . 已知圆M与直线
和
都相切,圆心在直线
上,则圆
的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953b0e963195605a67975c6f8f3caa0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f8dfed5dd9f68b61e6196793f0b707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386d3214d98cbe433528e47d17f23dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2017-04-13更新
|
1446次组卷
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15卷引用:2017届海南省海口市高三4月调研测试数学(理)试卷
2017届海南省海口市高三4月调研测试数学(理)试卷海南省海口二中2021届高三(10月)第二次高考调研测试数学试题(已下线)2019年1月10日 《每日一题》(高一上期末复习)人教必修1+必修2-圆的方程【全国百强校】宁夏石嘴山市第三中学2018-2019学年高一3月月考数学试题【全国百强校】江苏省启东中学2018-2019学年高一下学期期中考试数学试题(已下线)专题9.3 圆的方程(讲)【文】-《2020年高考一轮复习讲练测》江苏省常熟市王淦昌中学2019-2020学年高一下学期开学考试数学试题福建省厦门第一中学2020-2021学年高二分班摸底练习数学试题(已下线)考点33 圆的方程-备战2021年新高考数学一轮复习核心考点清单(已下线)专题08 圆的方程-2020-2021学年高中数学新教材人教A版选择性必修配套提升训练(已下线)专题2.4 圆的方程-2020-2021学年高二数学同步课堂帮帮帮(人教A版2019选择性必修第一册)江苏省苏州市常熟市海虞中学2019-2020学年高一下学期开学考试数学试题(已下线)第40讲 圆与方程(讲) — 2022年高考数学一轮复习讲练测(课标全国版)(已下线)第56讲 圆的方程福建省厦门第一中学2020-2021学年高二上学期摸底考试数学试题
5 . 已知椭圆
的左右焦点分别为
,
,且经过点
,离心率为
,
为直线
上的动点.
(Ⅰ)求椭圆
的方程;
(Ⅱ)点
在椭圆
上,满足
,求线段
长度的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6b94e42869013745050aba059b58dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2aa194a4e678884a56122ca30083b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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6 . 已知椭圆
的左、右焦点分别为
、
,由椭圆短轴的一个端点与两焦点构成一个等边三角形,它的面积为
.
(1)求椭圆
的方程;
(2)已知动点
在椭圆
上,点
,直线
交
轴于点
,点
为点
关于
轴对称点,直线
交
轴于点
,若在
轴上存点
,使得
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b96975a7c0135fba03b43cfdad43e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/519da1ad76bbc9f3ad6f238b58ede696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c815664fcf94df4f280ef1d5813194e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/452df36e8b63a8e92d773d1ac44c2081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0860269deef7594ac87b99eca6146350.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554ee4c576a2e7704fbcbb2a83d86c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b2112cc0245f0798f589c45f4e3f7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
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2017-04-07更新
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603次组卷
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解题方法
7 . 在
中,
分别是角
所对的边,已知
,
,且
.
(1)求角
的大小;
(2)若
,且
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/cce73011007a72a887f419806c5b528c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1033498c9ac5ccdacfc73e70654725bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ee59964f020fc52b5ba66a3f5fcc3c.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802e162b98c280720fcb909cf392fda3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
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2017-04-05更新
|
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3卷引用:2017届海南省海南中学、文昌中学高三下学期联考数学(文)试卷
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8 . 已知函数
满足
,当
时
,当
时
的最大值为
,则实数
的值等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa70cbd451ff207d8150834418888aa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679aaca698d30c329f5ece5b87346f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ca82225c2aef865821e6a87b5f31c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b1fb80649f98060483117b7fb3be75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2267442b286785e89a0b5fb19b039669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.4 | B.3 | C.2 | D.1 |
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解题方法
9 . 已知双曲线
的中心在原点且对称轴为坐标轴,
的一条渐近线与焦点为
的抛物线
交于点
,且
,则双曲线的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b333ae64eb8e235779e9fdaa24e6247.png)
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10 . 在数列
中,
,
,记
为
的前
项和,则
=__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985649191e9123064b494ccfac64156b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dbaa389d7a95763ccd960130e7e70e7.png)
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2017-04-05更新
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