名校
解题方法
1 . 已知正实数a,b,c满足
.
(1)求
的最小值;
(2)证明:
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/863e12c8a6da6c4c76f474cce0792d4a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994b2afd35bd3642b1cdde7d6016c2f6.png)
您最近一年使用:0次
名校
解题方法
2 . 在锐角
中,
,点O为
的外心.
(1)若
,求
的最大值;
(2)若
.
①求证:
;
②求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ea81a4761aa43976c2b9be0b0dd16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8954ac84d5a64358d2876a62f2a439b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f28d6011934956775d9eae744423fa3.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e61f34f8eb548af6c30bbe8d23a52ae.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a442e21ce6d4de5fd2392ad94f7dace3.png)
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2024-04-16更新
|
353次组卷
|
7卷引用:福建省厦门第一中学2021-2022学年高一3月月考数学试题
福建省厦门第一中学2021-2022学年高一3月月考数学试题(已下线)专题4平面向量综合闯关 (提升版)江苏省南京市中华中学2022-2023学年高一下学期3月综合练习数学试题福建省厦门市外国语学校2023-2024学年高一下学期第一次月考数学试题江苏省南京外国语学校2023-2024学年高一下学期5月阶段性测试数学试题(已下线)高一数学下学期期中模拟试题02(平面向量、解三角形、复数、立体几何)(已下线)专题6.12 平面向量及其应用全章综合测试卷(提高篇)-举一反三系列
解题方法
3 . 已知直线
.
(1)若直线不经过第三象限,求
的取值范围;
(2)若直线
交
轴负半轴于
,交
轴正半轴于
的面积为
(
为坐标原点),求
的最小值和此时直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fa7366031fc1a02570b2e7aa7ca48f4.png)
(1)若直线不经过第三象限,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15da8f8aa14eb92021a511cbee26060.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2023高一·江苏·专题练习
4 . 若
,则下列不等式中,正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b691c3b789f43451497aee76eaaab3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知二次函数
.
(1)若
时,不等式
恒成立,求实数a的取值范围;
(2)解关于x的不等式
(其中
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade5be530a61256c66ca7de297f2818d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215bf538be81ac1cb5c15bc15e051f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a9bb50edc92f87c2f80c9cc4e161bd.png)
(2)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db01b27029125f6b272b045245307ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac9eb4f13a6ec140f7050e8d7dde52c.png)
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解题方法
6 . 若
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0ee8b67941c1bc8562c305f201ad4a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . (1)若
,求
的取值范围;
(2)已知
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a3fd04f4b3ba73d29a5d74be19ec38.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a0927230a483a60062edfe637899072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25749cc87dee6fcbdc5e809803283a06.png)
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名校
8 . 下列结论正确的是( )
A.当![]() ![]() | B.当![]() ![]() |
C.当![]() ![]() | D.当![]() ![]() |
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名校
解题方法
9 . 在三角形ABC中,点D足AB边上的四等分点且
,AC边上存在点E满足
,直线CD和直线BE交于点F,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7168f26bb78be56b5c7f6dfb1461440b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4ac371786ded3c11a56cae82b016fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c02c2bf2b4c57d22a1ddc14e58e0e24.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/25/437c65af-efe4-48a2-a1d9-958ef4860d62.png?resizew=153)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-10-07更新
|
597次组卷
|
3卷引用:湖南省株洲市第二中学2021-2022学年高一下学期第三次月考数学试卷
解题方法
10 . 下列四个命题中正确的是______ .(填序号)
①若
为锐角三角形,且满足
,则
;
②若
,则
是等腰三角形;
③设等差数列
的前
项和为
,若
,则
;
④函数
的最小值为2.
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ac8e446826ea6e653cd1ac6d5d6106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b104867a12d24a353d94858c2fa17c8f.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e02e6946143207c276f7430942c1b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
③设等差数列
![](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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c308f30a611601fa012aea0f31cd3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bbe68fbd86b4b9981cafbabb0d595cd.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/164f75a66242a0fd2bb1166df0a18c78.png)
您最近一年使用:0次