20-21高一·江苏·课后作业
名校
解题方法
1 . 已知a,b,c,d都是正数,且
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf7adcc976209d4b686156120bea276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272f8da86f3473b8448d0a51cae4dea9.png)
您最近一年使用:0次
2021-10-31更新
|
294次组卷
|
3卷引用:3.2 基本不等式
20-21高一·江苏·课后作业
解题方法
2 . 已知函数
,对于任意的
,
,试比较
与
的大小关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8cb4f458128ee80997a0f32209529d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db8805cda07838d256165991623acca.png)
您最近一年使用:0次
20-21高一·江苏·课后作业
解题方法
3 . 已知函数
,对于任意的
,
,试比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6201963fcdd54887f2af50518bd908a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba85f1d386c0852978970b4bbafbf3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8cb4f458128ee80997a0f32209529d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db8805cda07838d256165991623acca.png)
您最近一年使用:0次
20-21高一·江苏·课后作业
解题方法
4 . 设
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ef4d674980ce4e52f12da2ca46065f.png)
您最近一年使用:0次
20-21高一·江苏·课后作业
5 . 若实数
,
,
满足
,则称
比
远离
.
(1)若
比
远离
,求实数
的取值范围;
(2)若
比
远离
,求实数
的取值范围.
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b782dd2de9c9caa840838cd63d817de.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/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e1fbe0fb49725cf6d1e689ee8986d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83666674f1111c699d7c5f7b792e0285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008e77135f850cd4beab452480a591d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
20-21高一·江苏·课后作业
解题方法
6 . (1)已知x≤1,比较3x3与3x2-x+1的大小.
(2)已知a,b,c是两两不等的实数,p=a2+b2+c2,q=ab+bc+ca,试比较p与q的大小.
(2)已知a,b,c是两两不等的实数,p=a2+b2+c2,q=ab+bc+ca,试比较p与q的大小.
您最近一年使用:0次
20-21高一·江苏·课后作业
解题方法
7 . 已知a>b>0,0<c<d,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0dfded1758cbd9a49da73deaa741609.png)
您最近一年使用:0次
20-21高一·江苏·课后作业
解题方法
8 . 已知
g糖水中含有
g糖(
),若再添加
g糖(
)溶解在其中,则糖水变得更甜(即糖水中含糖浓度变大).试根据这个事实写出a,b,m所满足的不等关系,并给予证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d100c22435a23e017cfe6f535379d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
您最近一年使用:0次
20-21高一·江苏·课后作业
9 . 已知
,
,试比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c70fcaa661df4fbcad820b439accda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9237dbe3a4f28962ef2870b4e7dab599.png)
您最近一年使用:0次
2021-10-30更新
|
306次组卷
|
4卷引用:3.1 不等式的基本性质
(已下线)3.1 不等式的基本性质(已下线)2.1 等式性质与不等式性质(基础知识+基本题型)--【一堂好课】2021-2022学年高一数学上学期同步精品课堂(人教A版2019必修第一册)苏教版(2019)必修第一册课本习题 习题3.1【导学案】3.1不等式性质课前预习-北师大版2019必修第一册第一章预备知识
20-21高一·江苏·课后作业
解题方法
10 . 已知
,求证:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/753bc7b46730ab08df9ee4488ce34986.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae5f93f5e7ba309f529af75cb76dfcc.png)
您最近一年使用:0次