名校
1 . 已知A、B是抛物线W:
上的两个动点,F是抛物线W的焦点,
是坐标原点,且恒有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
(1)若直线OA的倾斜角为时,求线段AB的中点C的坐标;
(2)求证直线AB经过一定点,并求出此定点.
![](https://img.xkw.com/dksih/QBM/2017/10/24/1802259951378432/1804284330115072/STEM/e14dba3d55cc481abb02dc2137a7be9c.png?resizew=123)
您最近一年使用:0次
2 . 已知函数
.
(1)证明:函数
在区间
与
上均有零点;(提示
)
(2)若关于
的方程
存在非负实数解,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28034dcafe542a98d95d4504ad7d8a3e.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a932690fc2a972342433ad38a957c8c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f935fa5d0ae1b208aff21aa468ecf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e945327b11b8da423dc039b0730babb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9405361d7be3c9e4d462a4e955d8fe3c.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83dc6f6c8c4749cc966357332d6a3843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-10-25更新
|
450次组卷
|
3卷引用:湖北省枣阳市高级中学2018届高三年级上学期十月份月考理科数学试题
解题方法
3 . 已知
,给出下列的四个命题:
命题
:若
,则
;
命题
:若
,则
.
(1)判断命题
,命题
的真假,并说明理由;
(2)判断命题
的真假.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2276817025c081897327b3b86a0a830f.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437601a277901f79aa3d6a4b955cf72d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c363b4f7a654109449bce51495bdf3c.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d855cbed9d386542f0d5f88918ffb98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/226d1f2bb30f6f68bed75cd07c49fb78.png)
(1)判断命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)判断命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dafee0abd48fb30d1bcc33eb30a8049.png)
您最近一年使用:0次
2017-10-25更新
|
500次组卷
|
3卷引用:湖北省枣阳市高级中学2018届高三年级上学期十月份月考理科数学试题
名校
4 . 已知函数
.
(1)当
时,计算定积分
;
(2)求
的单调区间和极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668c8047bfc3a34e49ebae13a1fe3540.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eafbeb3db706365b2a1a39cb80de5ce.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2017-10-25更新
|
700次组卷
|
3卷引用:湖北省枣阳市高级中学2018届高三年级上学期十月份月考理科数学试题
名校
5 . 设函数
.
(1)当
时,求
的单调区间;
(2)若
的图象与
轴交于
,
两点,且
,求
的取值范围;
(3)令
,
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5261424cfa677a56c31d5be78b4c009.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f5cd8f5dd05a04331f43a2ba55953b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f399b1f59ee66176b4038e91a3eb1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7729dd4c2004d3c765f66dfdf4567ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af400721121bf837f133792458d60bd0.png)
您最近一年使用:0次
名校
6 . 设函数
.
(1)当
时,求
的单调区间;
(2)若
的图象与
轴交于
,
两点,且
,求
的取值范围;
(3)在(2)的条件下,求证
.
(参考知识:若
,则有
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5261424cfa677a56c31d5be78b4c009.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f5cd8f5dd05a04331f43a2ba55953b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f399b1f59ee66176b4038e91a3eb1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)在(2)的条件下,求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133c30d6ca96a4d8de293da20fbe8f22.png)
(参考知识:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92595ed66e6c7d8dfa1d39b81ecb753.png)
您最近一年使用:0次
名校
解题方法
7 . 如图,在平面直角坐标系
中,已知圆
:
,点
,点
(
),以
为圆心,
为半径作圆,交圆
于点
,且
的平分线交线段
于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/18/759c9827-47f4-4553-8b31-f19cf22bc377.png?resizew=250)
(1)当
变化时,点
始终在某圆锥曲线
上运动,求曲线
的方程;
(2)已知直线
过点
,且与曲线
交于
两点,记
面积为
,
面积为
,求
的取值范围.
![](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/6afc954e87bd737ec051d5c94837c8a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d04015890783f6b8b0264b1d1c9127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6668ebe026621699594b6b4140f32da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a27c9408c3774ce23368105845960c67.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/09bebb16c0ffc99a945619ae0986cadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/18/759c9827-47f4-4553-8b31-f19cf22bc377.png?resizew=250)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
(2)已知直线
![](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/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699ccb1d8c438f5bc838cd3c55dacda0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0aac4eb03ed57830e5188a218de064d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
.
(1)若函数
有两个不同的零点,求实数
的取值范围;
(2)求当
时,
恒成立的
的取值范围,并证明![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b8d99cf9f70697e62be20765d968de.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948c2900f1e825ea41bed02dc3f964ea.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b8d99cf9f70697e62be20765d968de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d727025a5385f3fcd899eb493bb483.png)
您最近一年使用:0次
2017-10-14更新
|
1105次组卷
|
4卷引用:湖北省黄冈市2018届高三9月质量检测数学(文)试题
名校
9 . 已知圆
,直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1517d84a403b4c01291b487c57136981.png)
(1)判断直线
和圆
的位置关系.
![](https://img.xkw.com/dksih/QBM/2017/10/9/1791390329520128/1791727537094656/STEM/049b43ea6b094356acfe8ad34853cda8.png?resizew=182)
(2)求圆心到直线
的距离的最大值.
(3)如图所示,圆
与
轴的正方向交于
点,点
在直线
上运动,过
作圆
的切线,切点为
,求
垂心
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b30978630b902fa0d752380bab6a5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1517d84a403b4c01291b487c57136981.png)
(1)判断直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/2017/10/9/1791390329520128/1791727537094656/STEM/049b43ea6b094356acfe8ad34853cda8.png?resizew=182)
(2)求圆心到直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)如图所示,圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/107babba45f110012183dc4dc54490f7.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
您最近一年使用:0次
名校
10 . 已知椭圆
的中心在原点
,焦点在
轴上,离心率
,椭圆
的右顶点与上顶点之间的距离为
.
(1)求椭圆的标准方程;
(2)过定点
且斜率为
的直线交椭圆
于不同的两点
,在线段
上取异于
的点H,满足
,证明:点
恒在一条直线上,并求出这条直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/52a0a43a5b4d5b4bb4e3e936b032a80a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
(1)求椭圆的标准方程;
(2)过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76b94fa972f92861f2fb70bed2ff9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee64fb849886a1f7dbdf62b30e797135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
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