1 . 若函数
在点
处的切线的斜率为1,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89b2ecfced2e74f5be44e49da3a8a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811508165a0f0cf31a69c555e0b4ab57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7266b2ef457b8ddeee3fa2cc24022e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 南宋数学家杨辉为我国古代数学研究作出了杰出贡献,他的著名研究成果 “杨辉三 角” 记录于其重要著作《详解九章算法》中, 该著作中的 “垛积术” 问题介绍了高 阶等差数列. 以高阶等差数列中的二阶等差数列为例,其特点是从数列中第二项开始,每一项与前一项的差构成等差数列. 若某个二阶等差数列
的前四项分别为:
,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e59eefa7d589908601bc0b2014acd74.png)
A.![]() | B.![]() |
C.数列 ![]() | D.数列 ![]() |
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3 . 已知正实数x,y满足
,则xy的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4edfef181ed229ed1a3bb2295be7db9.png)
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解题方法
4 . 已知
,且
,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a414d2844f3121845300ab9e84514c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf913c92060a7bad4de1ee8c04d011e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4af3f72a7326aa54575b3236c4bf7be9.png)
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5 . 若直线
是曲线
的一条对称轴,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307dc5245375b34a69ec10f82af13768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705d6d0a046281db9a588d76b4fc2199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7266b2ef457b8ddeee3fa2cc24022e.png)
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解题方法
6 . 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)
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解题方法
7 . 若正数
,
,
满足
,且
的最小值是4,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](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/b8d65e4902acac49cf0cfb53587354a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 已知
且
,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a9344f4fca7b9779ca7720e5277ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131ac7eb1e911c9a40e84235bf3742ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c9768a9a6b76e56920be177831ab16.png)
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9 . 如图,在边长为1的正方形ABCD中,点P是线段AD上的一点,点M,N分别为线段PB,PC上的动点,且
,
(
,
),点O,G分别为线段BC,MN的中点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6c3cb44e29fa620a90b35a5cfed0d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d44c0b033ff6b8d35f98eeb1a91b979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540ccd15435aa2d59e809d6a28fb2467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ce87a89977ef116559a150dd517d17.png)
A.![]() |
B.![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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3卷引用:湖北省黄冈市浠水县第一中学2023-2024学年高一下学期期末质量检测数学试题
湖北省黄冈市浠水县第一中学2023-2024学年高一下学期期末质量检测数学试题山西省太原师范学院附属中学等2023-2024学年高一下学期5月质量检测数学试卷(已下线)【高一模块一】难度3 小题强化限时晋级练(基础3)
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10 . 已知
内角
的对边分别为
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd623ea765c80b3ba260e99f3504f481.png)
(1)求
的取值范围
(2)求
内切圆的半径的最大值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd5b9bbd3d22bd2cef53dd4b9691257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd623ea765c80b3ba260e99f3504f481.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0113fd4c7d157757571f9a009e02af.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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