名校
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8dda8e0f05f65226b95a71bc0d75bc9.png)
(1)当
时,求函数
的极值;
(2)求函数
的单调区间;
(3)若对任意的实数
,函数
与直线
总相切,则称函数
为“恒切函数”.当
时,若函数
是“恒切函数”,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8dda8e0f05f65226b95a71bc0d75bc9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若对任意的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceee0ff5c929d67de3c294e027c9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a60550d48fcf76d109f426149d8185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0780bba5832fe480a5fddd87bd1af36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6077c98670d416a38f736c11f3591966.png)
您最近一年使用:0次
2023-12-20更新
|
587次组卷
|
4卷引用:上海市大同中学2023-2024学年高三三模数学试卷
解题方法
2 . 已知双曲线
,双曲线
的右焦点为F,圆C的圆心在y轴正半轴上,且经过坐标原点O,圆C与双曲线Γ的右支交于A、B两点.
(1)当△OFA是以F为直角顶点的直角三角形,求△OFA的面积;
(2)若点A的坐标是
,求直线AB的方程;
(3)求证:直线AB与圆x2+y2=2相切.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058cc53728e63b87bd38459286655b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(1)当△OFA是以F为直角顶点的直角三角形,求△OFA的面积;
(2)若点A的坐标是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4974869c2a2d5799281d50abc89e4983.png)
(3)求证:直线AB与圆x2+y2=2相切.
您最近一年使用:0次
2022-11-06更新
|
764次组卷
|
7卷引用:上海市崇明区2022届高考二模数学试题
上海市崇明区2022届高考二模数学试题上海市崇明区2021-2022学年高二下学期期末数学试题圆锥曲线之间的综合问题(已下线)第12讲 直线和圆的方程-3(已下线)专题12平面解析几何必考题型分类训练-4(已下线)专题19 圆锥曲线 (模拟练)-2(已下线)第12讲 双曲线(5大考点)-2022-2023学年高二数学考试满分全攻略(人教A版2019选修第一册)
名校
3 . 设函数
,其中
,若任意
均有
,则称函数
是函数
的控制函数”,且对于所有满足条件的函数
在
处取得的最小值记为
.
(1)若
,试问
是否为
的控制函数”;
(2)若
,使得直线
是曲线
在
处的切线,证明:函数
为函数
的控制函数,并求“
”的值;
(3)若曲线
在
处的切线过点
,且
,证明:当且仅当
或
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d0d9cf90ee9e4216f6c5e19f7f4d18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cacd894a237683d42c389bfa5c27936c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b4955c5adc717b7f6f0b975e0724ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecea80c2b9483e2c65d7572598a48dbd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d709d206efc9c004cf7ba5301aad67e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94376e3e25de7fa4e506d40446b22ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55679c4d0d7c781f5db02eedb98baa4b.png)
(3)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fa12e23f7017e424166ba4622b0e99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2023d0f4982eec32fae3b57bec6d8e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436b2649162a1b61b6ef0ab2bda35bc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de7f7734539f4ceb08561cd4d1ecbc6.png)
您最近一年使用:0次
2023-01-08更新
|
815次组卷
|
5卷引用:2023届上海春季高考练习
2023届上海春季高考练习上海市2023届高三下学期开学摸底数学试题上海市复旦大学附属中学青浦分校2022-2023学年高二下学期3月月考数学试题上海市闵行(文琦)中学2023-2024学年高二下学期3月月考数学试题(已下线)专题05导数及其应用全章复习攻略--高二期末考点大串讲(沪教版2020选修)
解题方法
4 . 已知
为实数,数列
满足:①
;②
.若存在一个非零常数
,对任意
,
都成立,则称数列
为周期数列.
(1)当
时,求
的值;
(2)求证:存在正整数
,使得
;
(3)设
是数列
的前
项和,是否存在实数
满足:①数列
为周期数列;②存在正奇数
,使得
.若存在,求出所有
的可能值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fab51121848ce166035ceab6f4e00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cdd8a3e3a27ae058085810cb6994142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb047a8096a11578133a9bd20b734fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2b94cbf8f1acc77ed2618d9ba5756a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3eead98a7980470f3345ccaa8384b9b.png)
(2)求证:存在正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c3a1aba8da22a13efe1d08c9de1449.png)
(3)设
![](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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe3b025e582fd16562ca1da1fa69299b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
5 . 已知椭圆
=1上有两点P(﹣2,1)及Q(2,﹣1),直线l:y=kx+b与椭圆交于A、B两点,与线段PQ交于点C(异于P、Q).
(1)当k=1且
时,求直线l的方程;
(2)当k=2时,求四边形PAQB面积的取值范围;
(3)记直线PA、PB、QA、QB的斜率依次为k1、k2、k3、k4.当b≠0且线段AB的中点M在直线y=﹣x上时,计算k1⋅k2的值,并证明:k12+k22>2k3k4.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c03c6b8d7418edf20f474389971352.png)
(1)当k=1且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72313ccba4d3c4329372e40f0d076bff.png)
(2)当k=2时,求四边形PAQB面积的取值范围;
(3)记直线PA、PB、QA、QB的斜率依次为k1、k2、k3、k4.当b≠0且线段AB的中点M在直线y=﹣x上时,计算k1⋅k2的值,并证明:k12+k22>2k3k4.
您最近一年使用:0次
名校
6 . 已知函数
,若在区间
内有且只有一个实数
,使得
成立,则称函数
在区间
内具有唯一零点.
(1)判断函数
在区间
内是否具有唯一零点,说明理由:
(2)已知向量
,
,
,证明
在区间
内具有唯一零点.
(3)若函数
在区间
内具有唯一零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3055cad4107143928968991db7617667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a71b57755ffa8ce63872c6064a6fffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6eef8f9b63b022b5690bbf1a766509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1fce155963060b2e5b9147a185897cc.png)
(2)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea9a18abade15b1f90f5388fcd5cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4d22d1d0444dada29c083c06224e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9865a69bb2290e77aa77bfaad6db12dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e42577d5a9f044fb8aa6085757b1fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261f9fd5f3d2a67143cdf65cca376c73.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d949b9e25df87a34a31de23fd170c39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb9531086a139b85f9563ff19a06e96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-02-01更新
|
331次组卷
|
4卷引用:2016届上海市静安区高三4月教学质量检测(二模)(文+理)数学试题
2016届上海市静安区高三4月教学质量检测(二模)(文+理)数学试题2016届上海市静安区高考二模(理科)数学试题上海市进才中学2018届高三上学期第二次月考数学试题(已下线)上海市华东师范大学第二附属中学2020-2021学年高一下学期5月月考数学试题
名校
7 . 已知椭圆
:
, 过点
的直线
:
与椭圆
交于M、N两点(M点在N点的上方),与
轴交于点E.
(1)当
且
时,求点M、N的坐标;
(2)当
时,设
,
,求证:
为定值,并求出该值;
(3)当
时,点D和点F关于坐标原点对称,若△MNF的内切圆面积等于
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878087bc55518fc8512502a027d4e52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ff329f3b12cf5678e99941e7188621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae077b198c3e6a891ca7c5eb6d53482a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390d49318fd0511607e89a14ae855b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f5480faf4dce9d2aaec8149890426d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bdc74fd5c84bdf4a7a628208014e922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2019-04-19更新
|
724次组卷
|
4卷引用:上海市金山区2019届高三下学期质量监控(二模)数学试题