(1)比较
与
的大小;
(2)已知
,且
,
①求证:
.
②求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec7cd469863fb7278f7a5193db259d15.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a0aa068c979c53361d049ce49987a8.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b246aa3b56becc905d3fb64c6d5ec4a.png)
21-22高一上·辽宁朝阳·阶段练习 查看更多[6]
辽宁省朝阳市建平县实验中学2021-2022学年高一上学期第一次月考数学试题(已下线)3.1 不等式的基本性质 (2)(已下线)高一上学期第一次月考数学试卷(提高篇)-举一反三系列(已下线)专题2.7 一元二次函数、方程和不等式全章综合测试卷(提高篇)-举一反三系列(已下线)2.1等式性质与不等式性质(第2课时)(分层作业)-【上好课】(已下线)2.1等式性质与不等式性质(第2课时)(导学案)-【上好课】
更新时间:2021-10-19 12:08:42
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解答题-问答题
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适中
(0.65)
解题方法
【推荐1】已知一个公比
不为
的等比数列
和一个公差也为
的等差数列
,且
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、
成等差数列.
(1)求
的值;
(2)若数列
前
项和为
,
,试比较
时,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97118aa23232072e4c49f612d6905d50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b2667a6c91b720ca9b42d092c776cf.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385275d29d8c8a7841eaeaa3dfab2cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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解答题-问答题
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【推荐2】已知实数
,
,
成等比数列,且公比
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(1)试比较
与
的大小;
(2)若
,求实数x的取值范围.
![](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)
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(1)试比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f576f7f8f0c805a2918fee1a9e6b96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dd4067a19eeb07474557fe7b2508880.png)
(2)若
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您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐3】已知函数
,其中
且
,
(1)若
为偶函数,求
的值;
(2)命题
:函数
在区间
上是增函数,命题
:函数
是减函数,如果
或
为真,
且
为假,求
的取值范围.
(3)在(2)的条件下,比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61afb6720c853843796a92cae2f414bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c960b0019078a1e2723d623e83739fb9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840132843879f7acebc21da84ba33a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)在(2)的条件下,比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1a1611f320c0f358df77aaae3f942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88a7df4496ca4c6022d6ac94f2f5014.png)
您最近一年使用:0次
解答题-证明题
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适中
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名校
解题方法
【推荐1】设关于
的方程
有两个实根
,且
.定义函数
.
(1)求
的值;
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d6c9d20a5b1abf77d4d70d5ac9ba77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90df641ab645927ee577e79faf18dcdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d15938f48c3065ae31e9c2844c032c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee1e8ee740bc47e9cd8f47cf7539069.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d3d77b58837bf264c86c2723a1359f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cdedbe77c8d868c843ec214913103b5.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐1】求下列函数的值域:
(1)
;
(2)
;
(3)
;
(4)
.
(1)
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(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/729c9998600fb4d05930bd13f85274a5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075f8f1260fee1ed80081bc0728f9624.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d166622df6621861e3910251de70eb44.png)
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解题方法
【推荐2】一般认为,民用住宅的窗户面积必须小于地板面积,但窗户面积与地板面积的比应不小于10%,而且这个比值越大,采光效果越好.
(1)若一所公寓窗户面积与地板面积的总和为
,则这所公寓的窗户面积至少为多少平方米?
(2)若同时增加相同的窗户面积和地板面积,公寓的采光效果是变好了还是变坏了?
(1)若一所公寓窗户面积与地板面积的总和为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955b4439801dbf079ef5feda2cc58c39.png)
(2)若同时增加相同的窗户面积和地板面积,公寓的采光效果是变好了还是变坏了?
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