1 . 已知
,
,记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266ad08c70080e52495117cb8307fd3d.png)
(1)求函数
的值域;
(2)求函数
,
的单调减区间;
(3)若
,
恰有2个零点
,求实数
的取值范围和
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35005965ce7f4b9703cba4062b6f3053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3328a5bbf1db60229da59fbee7675e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266ad08c70080e52495117cb8307fd3d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b0339e96e32d6fa1a092824850ef8d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43281072ba152ac733bbd50550ffe1a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86251951bb66bd5b40c2fac797f5c074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
您最近一年使用:0次
解题方法
2 . 已知
,
,
.
(1)求
;
(2)若
,求实数k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e310702748855c3edccd151aae0143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b532ff725ed321148010644e7f0e05f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7901fc86cb98cdb030d6ee72816dc14a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b195aa36a3c2753ebf08cb464c52ad1e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28366bd942f564a8bc3396dc85b1b73c.png)
您最近一年使用:0次
3 . 设复数
,
.
(1)若
在复平面上所对应的点在第一象限,求a的取值范围;
(2)若
为纯虚数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b34b807d915915705a9f909c586b238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b3a979568fde5e110220f093b54d94.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5c4be0ef92a22d075eb93ae968f3a4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec04f844e8fd9d9b1ef835e23eaa54e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0015f860c7e606951bed1759e06cae00.png)
您最近一年使用:0次
4 . 利普希兹条件是数学中一个关于函数光滑性的重要概念,设
定义在
上的函数,若对于
中任意两点
,都有
,则称
是“
-利普希兹条件函数”.
(1)判断函数
,
在
上是否为“1-利普希兹条件函数”;
(2)若函数
是“
-利普希兹条件函数”,求
的最小值;
(3)设
,若存在
,使
是“2024-利普希兹条件函数”,且关于
的方程
在
上有两个不相等实根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f58d4591d668b4bc32fae4faab8298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2712b1acecc1d933cca91078b76ffea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44edb8cc6555fc6ec8d0bfd7d5b33f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1044dcf4fba551e1b7fbfeb895ea08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e711f9ca607fd1b077e742d1cc156bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f172b078edc129d4ad341fc2bfb13d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92538987cf225663a769b58a933ac6af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
5 . 已知函数
.
(1)讨论
的单调性;
(2)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e555d56535776367402baaad9fb457f.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
您最近一年使用:0次
解题方法
6 . 已知抛物线
上一点Q到焦点F的距离为2,点Q到y轴的距离为
.
(1)求抛物线C的方程;
(2)过F的直线交抛物线C于A,B两点,过点B作x轴的垂线交直线AO(O是坐标原点)于D,过A作直线DF的垂线与抛物线C的另一交点为E,直线
与
交于点G.求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70792da1e2be7212a3f76b8d1c999bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8794dad05cff3e19d6ba8f1658aa8422.png)
(1)求抛物线C的方程;
(2)过F的直线交抛物线C于A,B两点,过点B作x轴的垂线交直线AO(O是坐标原点)于D,过A作直线DF的垂线与抛物线C的另一交点为E,直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ab7ed9b0df4db720f6f6c3e32f7c1d.png)
您最近一年使用:0次
昨日更新
|
32次组卷
|
2卷引用:海南省儋州市2023-2024学年高二下学期期末考试数学试题
名校
7 . 设函数
.
(1)若曲线
在点
处的切线方程是
,求a,b的值:
(2)求函数
的单调区间及极值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c382fadeb4696900e74b0c0624f0669.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd1dcfe0c394b37a58b20c3b8123d4e.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
昨日更新
|
286次组卷
|
2卷引用:海南省儋州市2023-2024学年高二下学期期末考试数学试题
8 . 如图所示,两个长方形框架ABCD,ABEF满足
,
,且它们所在的平面互相垂直.动点M,N分别在长方形对角线AC和BF上移动,且CM和BN的长度保持相等,记
.
(2)当MN的长最小时,求平面MNA与平面MNB的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e15f970d1e9c973951fd9d7ad7ccdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea9e230f3b03fbcd3273e4dd2d52dd0d.png)
(2)当MN的长最小时,求平面MNA与平面MNB的夹角的余弦值.
您最近一年使用:0次
9 . 已知数列
为等比数列,
,14,
成等差数列,且
.
(1)求数列
的通项公式;
(2)求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1496c2c8851003c73af1b0baf689fb.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0496f142d8ae5acb06e83526eaa3ef87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
解题方法
10 . 已知椭圆
:
的离心率为
,斜率为
的直线
与
轴交于点
,
与
交于
,
两点,
是
关于
轴的对称点.当
与原点
重合时,
面积为
.
(1)求
的方程;
(2)当
异于
点时,记直线
与
轴交于点
,求
周长的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c9bebea391a1f9956dfcca98d9d1f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/0b68df477b3ee45ac0f725db00d465a1.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8059a935a2325a9e7abbcbf56aa167f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a6b832d2922f5c5fea6a1143250f70.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7bf58e5fea1189b33cf55d86335452f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
您最近一年使用:0次