解题方法
1 . 设函数
其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd411600ba615fd7b2292e7379dbf76.png)
(1)若曲线
在点
处切线的斜率为1,求
的值;
(2)已知导函数
在区间
上存在零点,证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba941c781168b3745d729da43df7d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd411600ba615fd7b2292e7379dbf76.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814ef045d21166e347c53e33c2090a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知导函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4d021c162530695665fca276418303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85d61d34d9bc98a019f5d1fbebc6906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53f1be01292189a078c83d64b128d44.png)
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2020-11-20更新
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2卷引用:中原名校2022年高三一轮复习检测联考卷数学(文)试题
2 . 已知命题
,直线
与曲线
有交点,则
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e24bc3aee198e294581d6d20e9df00f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc6a0dd461b4ecd1245aadca9e7bcdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/822e1d5acaa60803c97eec89a903183d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() ![]() ![]() |
B.![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
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2022-11-02更新
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3卷引用:豫南九校2022年高三上学期教学指导卷二文科数学试题
3 . 已知命题p:函数
在
内单调递减,命题q:曲线
与x轴交于不同的两点.若命题
为真,且
为假,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27dc604105f5de2853d684c54c869089.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9834ab87a8e793747312362f5588df85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
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2021-02-04更新
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2卷引用:豫南九校2022年高三上学期教学指导卷二理科数学试题
4 . 若命题p:
,
,则命题
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e63b1d5c0df25ce20017f101be1e07a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/720e4ebc7daff5246e06462d8dba4a25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
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2卷引用:豫南九校2022年高三上学期教学指导卷二理科数学试题
解题方法
5 . 已知双曲线C的方程为
,其离心率
,则双曲线C的上焦点F到其渐近线的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161faa5eed276f3c38f6190ecf896da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b848246c11ebef783e4e50f35282774.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-09-22更新
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2卷引用:中原名校2022-2023学年高三上学期质量考评一理科数学试题
6 . 已知命题
:函数
在
上单调递增;命题
:
,
.
(1)若
为真,求实数
的取值范围;
(2)若
为真,
为假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c0bb1898e42a81c2bc4b0db48afedf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ede02a857832702a0cb48ee7a3bfee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac63bf5867032bad914015a070048e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667856d78bd30e6b8ebd8bd3d8d2c432.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-12-02更新
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3卷引用:中原名校2022-2023学年高三上学期质量考评二理科数学试题
7 . 已知
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe591681ce1f70403bc149010c8fcfdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2037b0bad7c7a312bac1ac0653d9a491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f333263260646c494225db8a7476c00.png)
A.充分不必要条件 | B.必要不充分条件 | C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
解题方法
8 . 已知椭圆
的离心率
,
分别为椭圆的左、右焦点,
为椭圆上的一个动点(点
与椭圆左、右顶点不重合),且
的面积的最大值为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/cdb157be-9382-46f9-90ff-c40b191ea6b6.png?resizew=192)
(1)求椭圆
的方程;
(2)如图所示,
为
的中点,直线
交直线
于点
,过点
作
∥
交直线
于点
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3324199c6751f2e0e6d8542783b0d957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/cdb157be-9382-46f9-90ff-c40b191ea6b6.png?resizew=192)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图所示,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4cfef623a9534b5708df5f95f1760a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a089c207e39a24d0d82aa853ac2bbb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d349dec7f5b8574f869c09791c3c63ca.png)
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解题方法
9 . 函数
在
内的极小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b4740b718f5d34b8a14d382e42a03b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a7792efd7f82bfa7549db4cb6ca761.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-09-22更新
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2卷引用:中原名校2022-2023学年高三上学期质量考评一理科数学试题
解题方法
10 . 如图,直线
与椭圆
交于M,N两点,与直线
交于点P,且椭圆E的离心率为
.
(1)若点M在第二象限,且
的最小值为
(其中O为坐标原点),求椭圆E的方程;
(2)若椭圆E的方程为(1)中所求方程,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4a45e79f51c7b5a9428f4cf2ab5c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9ca7d6602797c7bf5503fc7859e3225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3c5e06260ca5705c35a8f24b8c371d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/5/c3664274-5131-4327-a378-457210719fec.png?resizew=227)
(1)若点M在第二象限,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b733fa4aa213467acd883af989d01042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
(2)若椭圆E的方程为(1)中所求方程,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538a898ea19d8381b4772a555d66a695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b8623d86d3304fa39e8da829949e0.png)
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