名校
解题方法
1 . 已知
为正数,且
.证明:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf43bd907a0590831d324d5eff38ea54.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53726df81d2989b395ab7e8a800086e8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f710d76c62dd3e3e0df03627767946.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105f690fb5b14f7a78d5cd3becd031ad.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b781b577380833bf91d2b2f1169c50.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e0e6ff9703591326c139d89471aae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
.
(1)求不等式
的解集
;
(2)记(1)中集合M中最大的整数为t,若正数a,b,c满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ff29cd0e072669fff95e086443d0e8.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5967cc62862986840af4dd29df4bcc41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)记(1)中集合M中最大的整数为t,若正数a,b,c满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938322788bf627f1344ad6f725f00142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e60685a39d6bae79d22174db3faf5cb.png)
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2023-06-14更新
|
376次组卷
|
3卷引用:甘肃省张掖市某重点校2023届高三下学期第四次模拟检测数学(理)试题
4 . 已知
.
(1)求不等式
的解集;
(2)若
的最小值为t,且实数a,b,c满足a(b+c)=t,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e9ee8fb169f54d0e3f401391efc0a6.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a33c8e64e3650140754b22a5596c6c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e8f45b00fed345a17aa57d6f9c7d9b8.png)
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2023-05-29更新
|
192次组卷
|
2卷引用:甘肃省定西市2023届高三下学期高考模拟考试文科数学试题
名校
解题方法
5 . 已知函数
.
(1)求不等式
的解集;
(2)若不等式
的解集为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/572d9fc285e5e554ff6b366808fd1fee.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990d3feee85e869ea9ab561ff63d46a2.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990d3feee85e869ea9ab561ff63d46a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bca6fb9e5e25c0fcac557b7ea8e769e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842df75f18c8995bb66f37d4b737401e.png)
您最近一年使用:0次
解题方法
6 . 已知函数
.
(1)求不等式
的解集;
(2)已知函数
的最小值为
,且
,
,
都是正数,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4abee03d738d7f3d8d65555fdc94d8f.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0abe4960954bb3144b7e86d4233e747.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48de42fc90f6c80a503d8bea9d4412ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adf5bfbc5d41a5795e7d2d65d86b603.png)
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2023-05-13更新
|
408次组卷
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4卷引用:甘肃省2023届高三第三次高考诊断考试文科数学试题
名校
解题方法
7 . 已知函数
.
(1)求不等式
的解集;
(2)若
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f095cdd4949f4bc0e2dfc12aa8ae6d1.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab989f85a681b41c29465d4be74b789f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe4a8bcc0b0bd6e30d129b56ea8dbaac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-04-23更新
|
353次组卷
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3卷引用: 甘肃省兰州市第六十一中学(兰化一中)2023届高三第八次阶段考试数学理科试题
名校
解题方法
8 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03a0c165e3ecfb8b59611bc51800307.png)
(1)求不等式
的解集;
(2)若
,且
,
恒成立,求m的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03a0c165e3ecfb8b59611bc51800307.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a9f7884d2a1a1f304d8d468d8dd47c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404c3d5ed9634b114e8109f70a61b05f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a8ec62c6f8e6626a870652cfe58b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d6995107186bb5d8181031077c12.png)
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2023-04-16更新
|
1052次组卷
|
9卷引用:甘肃省2023届高三二模理科数学试题
甘肃省2023届高三二模理科数学试题甘肃省2023届高三二模文科数学试题甘肃省武威市凉州区2023届高三下学期第四次诊断考试数学(理)试题甘肃省武威市凉州区2023届高三下学期第四次诊断考试数学(文)试题甘肃省2023届高三第二次诊断文科数学试题(已下线)数学(全国乙卷理科)(已下线)专题21不等式选讲(已下线)专题21不等式选讲河南省濮阳市第一高级中学2023届高三模拟质量检测文科数学试题
名校
9 . 已知函数
.
(1)证明:存在
,使得
恒成立.
(2)当
时,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6803c7ef17af61f48575f626a0e2a0.png)
(1)证明:存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20dd41998db5ca9e947fc50def74979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256f3981024e53f373a80aad40e994ae.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65fe42273acfbe31b69e6bfe2d2cb9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb7629cca08b31334260150a02f41dc5.png)
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2023-04-13更新
|
396次组卷
|
4卷引用:甘肃省白银市靖远县2023届高三下学期第二次联考文科数学试题
名校
解题方法
10 . 已知函数
.
(1)求不等式
的解集;
(2)若
的最小值为
,且正数
,
,
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc820f7d85bbe9c57d6eaed1b471c5f.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b781b577380833bf91d2b2f1169c50.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86be2de99fbf7f99cd54ab399146b00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1435776970debdf642858b61de6212e3.png)
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2023-04-04更新
|
365次组卷
|
4卷引用:甘肃省张掖市某重点校2022-2023学年高三下学期3月月考数学(文)试题