名校
解题方法
1 . 已知命题“
,使
”是假命题,其实数
的取值为集合A,设不等式
的解集为集合B,若
是
的充分不必要条件,则实数a的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387816ed918570c58d442132e4ebe381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1002c5eeb292444c32850512d34bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b99e0ace222ac859fff9f43f13bf54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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2022-10-27更新
|
197次组卷
|
4卷引用:江西省2022-2023学年高一上学期阶段诊断试卷(一)数学试题
2 . 不等式
的解集是空集,则实数
的范围为
![](https://img.xkw.com/dksih/QBM/2015/11/19/1572299368153088/1572299374092288/STEM/db80e4fc149f48e28a77d35f99193e24.png)
![](https://img.xkw.com/dksih/QBM/2015/11/19/1572299368153088/1572299374092288/STEM/cbbc26fd19a747e383ff48806878d49b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
3 . 不等式
的解集是空集,则实数
的范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202cd71da0e67370f72844abcd1840ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2016-12-05更新
|
1381次组卷
|
4卷引用:2016-2017学年江西新余四中高一上段考一数学试卷
名校
解题方法
4 . 设向量
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0249a6171c0f2a453ca2aae0941b7c4e.png)
,令
,
的最小正周期为
.
(1)求
的最小值,并写出此时
的取值;
(2)若
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d2360926d8f2e85fb3f81a0f5a3fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0249a6171c0f2a453ca2aae0941b7c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ddbb5cfaedab59c97125105c3fe590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be2dd167392a87d125bfd91ab3cb396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddcfe70fcf6c4adf6fd7b02911c2cd36.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aea808279858d429a98769002326cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fa13c78a831522cb94e02766f83c8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
解题方法
5 . 已知集合
或
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d411e9aec626f73637e7e4376994b6.png)
(1)若
,且
,求实数
的取值范围.
(2)已知集合
,若
是
的必要不充分条件,判断实数
是否存在,若存在求
的范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abea463a4be6af00b65bdbe8be841d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a7f2ae4a1c94f310a11d9ec8a97998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d411e9aec626f73637e7e4376994b6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/993785d7c91c30afc3f39958f7d92566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1306087fb1ab787d1e11fb8bc76a3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4dffcb34cc65d419bd82b9c7c8dfee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a479511a50da604b2fc7398617db8387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-06-06更新
|
935次组卷
|
4卷引用:江西省丰城市第九中学2021-2022学年高一(日新部)上学期第一次月考数学试题
江西省丰城市第九中学2021-2022学年高一(日新部)上学期第一次月考数学试题(已下线)第03讲 充分条件与必要条件(2大考点9种解题方法)(1)(已下线)第06讲 充分条件与必要条件5种题型总结-【同步题型讲义】(人教A版2019必修第一册)江苏省盐城市建湖高级中学2023-2024学年高三上学期学情检测(一)数学试题
6 . 设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31500d5866991f3c8476d54637cf328a.png)
(1)若
在
内是单调函数,求
的取值范围.
(2)若已知
在
的最大值为
,求
的范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31500d5866991f3c8476d54637cf328a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215bf538be81ac1cb5c15bc15e051f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74156327e5659301f391814605688899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
7 . 已知函数
.
(1)若函数
在
上是单调函数,求实数
的取值范围;
(2)当
,
时,不等式
恒成立,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3fb070d57645e54b21b76b97ebaf0da.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa7ec5e2477d0dc53d4646f2176530c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592b16c3c8627a48fd5cad130955609b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2018-10-11更新
|
2335次组卷
|
3卷引用:江西省宜春市万载县万载中学2019-2020学年高一上学期10月月考数学试题
10-11高一下·江西上饶·阶段练习
8 . 在△ABC中,三角形的边长分别为1,2,a
(1)求a的取值范围.
(2)△ABC为钝角三角形,求a的范围.
(1)求a的取值范围.
(2)△ABC为钝角三角形,求a的范围.
您最近一年使用:0次
解题方法
9 . 已知二次函数
满足
,且
.
(1)求
的解析式;
(2)若函数
在
上单调,求
的取值范围;
(3)当
时,不等式
恒成立,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c56331ac1f16bbf0bcbec2ae25033ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61c9a7ed0961f8977a21dab37aab396.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f4fead647a57e30fa6ffa3602cf76e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291d664e9ea8088c35bb6b0550f18675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc70276e8bba4f3a519be50442f0f21c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d864dfd71fcb317d6f3b1639ae7bab92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
10 . 已知函数:
,
(1)当
时,若
时,关于
的方程
有解,求实数
的取值范围;
(2)当
时,求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650f1997d6848622400a2c03f98e0400.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
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