名校
解题方法
1 . 已知定义在
上的函数
满足:①对任意实数
,
,都有
;②对任意
,都有
.
(1)求
,并证明
是
上的单调增函数;
(2)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776a44d34b910f5307ea3cbc6e2b12aa.png)
对
恒成立,求实数
的取值范围;
(3)已知
,方程
有三个根
,若
,求实数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c38a21483a2dc328d2e0b1d1b62599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776a44d34b910f5307ea3cbc6e2b12aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda3e59af60f5b0dfc4e177a47ea46e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293a8e9c4481437560aeec5ced9220e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048bc2a7239539fcad04fc7934fa2834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1037287a6d8a9a7766734077faa87b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2 . 已知函数
.
(1)若
恒成立,求实数
的最大值:
(2)记(1)中的
最大值为
,正实数
、
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e66aa8e2497ffa025305b642a06f80.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aaee11552fe4c0863c104364d923359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)记(1)中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e8762c14ba07710784f3a0d554d38ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b0e403c5f00d0357d3fa30d6c2717c.png)
您最近一年使用:0次
2020高三·全国·专题练习
3 . (1)若对于实数x,y有|1-x|≤2,|y+1|≤1,求|2x+3y+1|的最大值.
(2)若a≥2,x∈R,证明:|x-1+a|+|x-a|≥3.
(2)若a≥2,x∈R,证明:|x-1+a|+|x-a|≥3.
您最近一年使用:0次
4 . 已知数列
满足
.
(1)求证:
.
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b103335df3218a0133071e9f6ae8ab86.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f474e3c5b64eb3000203eb7a9defb33.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b63cc5707b3eec308d43dc5b626edf.png)
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名校
5 . 已知函数
的最大值为m.
(1)求m的值;
(2)若a,b,c为正数,且
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae108c075f74fbc80d2454e45ad28ae.png)
(1)求m的值;
(2)若a,b,c为正数,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86be2de99fbf7f99cd54ab399146b00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c7e420e24bd256978f0b115ece6ef8.png)
您最近一年使用:0次
2020-05-13更新
|
536次组卷
|
5卷引用:2020届江西省九江市高三二模文科数学试题
6 . 已知定义在
上的函数
的最小值为
.
(1)试求
的值;
(2)若
,且
.求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361e49692c07d362ebf7c7ed812d627b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
(1)试求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa70cba471ba57de69c962db483173f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174618ea6b1cf2038101e9fddf16e024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f9a67d0c6387f646e9041cc37ef63d.png)
您最近一年使用:0次
解题方法
7 . 已知函数
.
(Ⅰ)求函数
的最小值
;
(Ⅱ)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b4295218b23077b487fbf0b218c8da.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8839d8bbe4778a5b66ec04f461f4794a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef5ee12526e91cf79494ea3aafcffb1.png)
您最近一年使用:0次
名校
8 . 设
(
)
(1)证明:
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cf02af9d06cd5810dbafed09b0d813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2608a57caffde627dbf140ca22a2ff8a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efca4b8b98a3fe19011a248969b81ff6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-01-14更新
|
236次组卷
|
2卷引用:黑龙江省哈尔滨市香坊区第六中学校2019-2020学年高三上学期期末数学(理)试题
名校
9 . 已知函数
.
(1)求不等式
的解集;
(2)若函数
的最小值为
,正数
,
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbea50b9ee9088ba9c3b474a893fc52b.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc713d4fc815eee685c381b88528f97.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f29a0d0c7ad354cfe6213773e29e94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab04de6651256f6281e9f4c1dc3c7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194067e19bd8bb3d27299c072397b7b4.png)
您最近一年使用:0次
2020-03-20更新
|
1695次组卷
|
11卷引用:2020届湖南省长沙市高三上学期期末数学(理)试题
2020届湖南省长沙市高三上学期期末数学(理)试题2020届湖南师大附中高三下学期统一模拟考试数学(理)试题广东省华南师范大学附属中学2022届高三上学期1月模拟数学试题内蒙古自治区包头市第九中学2022-2023学年高二上学期期末数学(文科)试题四川省成都市第七中学2024届高三下学期三诊模拟考试理科数学试卷四川省成都市第七中学2024届高三下学期三诊模拟考试文科数学试卷四川省射洪市2023-2024学年高三下学期高考模拟测试理科数学试题四川省射洪市2023-2024学年高三下学期高考模拟测试数学(文)试题陕西省安康市高新中学2024届高三模拟考试最后一卷理科数学试题四川省峨眉市第二中学校2024届高三适应性考试暨押题数学(文)试题四川省峨眉市第二中学校2024届高三适应性考试暨押题数学(理)试题
名校
解题方法
10 . 若不等式
对于任意
都成立.
(1)求
的值;
(2)若正实数
,
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b01ef7c6c69fb7f54d4c881eeaf1d05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1c18fedc19fbd7388afccce4445e7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe2d3d476fa9469873f9f12bb1580b7.png)
您最近一年使用:0次
2020-03-20更新
|
113次组卷
|
2卷引用:2019届海南省华侨中学高三第四次月考数学(理)试题