名校
解题方法
1 . 已知
均为正实数,且满足
.
(1)求
的最小值;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385a639c53a7a1168e703621f0bc7a71.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8581efe011a9daffa9d3e48a3814ab.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb547e76f38d767adfb5125f4b56d82e.png)
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2024-05-08更新
|
566次组卷
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3卷引用:四川省成都锦江区嘉祥外国语高级中学2024届高三第二次诊断性考试理科数学试题
2 . 已知空间向量
,
,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3e84916f89f0cffc2e03c879b65fb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8d49bf33e578b25811e22e26dbf584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ebe5febe579965236eaa87b571e5e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f0043d442fc7bd9177c2e3716d3d762.png)
A.![]() | B.![]() | C.2 | D.4 |
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2024-03-04更新
|
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|
3卷引用:山东省烟台第一中学2023-2024学年高三上学期12月份月考数学试题
名校
解题方法
3 . 已知函数
.
(1)求不等式
的解集;
(2)设函数
的最小值为
,若
且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113eff4fc6357344d826ff081714339d.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a075dce77c9a6b964a8a3fc1ee6e8c.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd517c952785f1b4a87a0ff47260e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711d33dca588abbd3e2bead7ec99a384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576e3d63873b53cc17f79139e674308b.png)
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2024-02-05更新
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7卷引用:四川省成都市第七中学2024届高三下学期开学考试数学(理)试题
4 . 已知函数
,若函数
的图像恒在函数
图像的上方,则m的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54eb7d27f3f241be0cd613bf8c3b2120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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2024-01-23更新
|
116次组卷
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2卷引用:云南省临沧市民族中学2023-2024学年高一上学期期末模拟数学试题
5 . 已知a,b,c为三角形的三边.
(1)求证:
;
(2)若
,求证:
.
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756084350ee839aa662bb1b39fa962db.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09cad84c1fa1dbfdc03fb5441c039a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b6d7b31981b8dc5e2ac863e5a25fda.png)
您最近一年使用:0次
名校
解题方法
6 . 若关于
的不等式
的解集为
,且
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf2c5c0560e9118b11643524423f41f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfbbaae8420d12d64e0b7fca9cda4d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
7 . 设
.
(1)求
的解集;
(2)若不等式
对任意实数
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d916b7145fb85cdfe34832a799316d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6213c81ca727adbcdda8cbdbe10c30a.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe7289134ddbb04ef304a26ae48672f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
8 . 若
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e76e8a9f01d9eeb1d90771e8a2ec52.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-11-29更新
|
2199次组卷
|
7卷引用:重庆市2024届高三上学期11月份大联考数学试题
解题方法
9 . 已知
且
.
(1)若
,设
,比较
和
的大小;
(2)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f95dc1d6e605dfbe05b38f19685df87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ecda7bfb0a2043306bf7707a136ad0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f330fbbd672ffc482a77a5cbae0ad76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b23789f5aa1e63e9b40077fc09b8741.png)
您最近一年使用:0次
解题方法
10 . 已知
,函数
.
(1)当
时,求不等式
的解集;
(2)若
的图象与
轴围成的三角形面积等于6时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65e349c89dc8c882dbdeac84f81c8d0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-10-30更新
|
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|
2卷引用:四川省雅安市2024届高三零诊考试数学(理)试题