1 . 已知命题
对
,直线
与椭圆
恒有公共点:命题
方程
表示双曲线.若命题“
”为假命题,命题“
”为真命题.求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a1a1d06e7c43bf01d7fc8aa92fad25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965e4d1823effb432dfa03f03c96c683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d862743be5215193a53fd09fcc7783c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0a1252e9bbe51922cf8fd24df18d17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2 . 已知命题
:
,使不等式
成立;命题
:
,
,使不等式
成立.
(1)若命题
为真,求实数
的取值范围;
(2)若命题
和命题
一真一假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004bb7d219bd0e3645b708ca96ee1ae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72fb8a32b324333913b720359758509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa6a2ac9092aed15e4b486291b9f98e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7409b8e4b38636929d90f0ac54b2ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b57b4246d5a5ff4fa0fede621026b49.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若命题
![](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)
您最近一年使用:0次
名校
3 . 已知命题
:
表示椭圆,命题
:
,
若“
”为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd72abc2f0aa95db08ac0da624226a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3077ff71a4c50f41d3a8b4e0459570a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
4 . 已知命题
:存在
,
,若
是真命题,那么实数
的取值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c64e8379b76e3866ad0901ccd52db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07dc6784e1b3070ed2abbe8910d01d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-09-23更新
|
1049次组卷
|
2卷引用:吉林省扶余市第一中学2018-2019学年高二下学期期末数学(文)试题
名校
5 . 给出如下两个命题:命题
,
;命题
已知函数
,且对任意
,
,
,都有
,求实数
的取值范围,使命题
为假,
为真.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e013c26331b9e64f799b56cb57a1a43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e9d01ec7b2690c2804528a32a75bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def04a8431604c6e6d1f353f09a6c13d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef3046c9dd39b87b1e056cafff1d3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d0ad7457f0a71b6b624fab81338c1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
您最近一年使用:0次
2019-09-18更新
|
631次组卷
|
2卷引用:江苏省天一中学2018-2019学年高二(强化班)下学期期末考试数学试题
名校
6 . 命题A:
、
是方程
的两个实根,不等式
对任意实数
恒成立;命题B:不等式
(
)有解.若A且B为真,求:m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128c1449259e7999fad4fc7a1fe7f0e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8224848effa869847103e179be5fb58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79c8048b437627dc13ab8c102539a4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef551689d39d6b27f30c9a49ce3ce6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
您最近一年使用:0次
2020-01-30更新
|
875次组卷
|
6卷引用:第一、二章综合测试(能力提升)-2020-2021学年高二数学单元测试定心卷(人教版选修2-1)
(已下线)第一、二章综合测试(能力提升)-2020-2021学年高二数学单元测试定心卷(人教版选修2-1)上海市大同中学2017-2018学年高一上学期10月月考数学试题(已下线)第3章 不等式 单元综合检测(能力提升)(单元培优)-2021-2022学年高一数学课后培优练(苏教版2019必修第一册)(已下线)专题9.3 期中押题检测卷(考试范围:第1-4章)3(难)【满分计划】2021-2022学年高一数学阶段性复习测试卷(苏教版2019必修第一册)(已下线)3.3.1 从函数的观点看一元二次方程上海市大同中学2022-2023学年高一上学期10月月考数学试题
名校
7 . 已知
方程
表示焦点在
轴上的椭圆;
方程
表示双曲线.若“
”为假命题,且“
”为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac92a80bbaaae4d97a84304a5f582c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fa88ba59ec66b0e9b8663232ec43023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018高三·全国·专题练习
名校
8 . 设命题p:函数f(x)=x3-ax-1在区间[-1,1]上单调递减;命题q:函数y=ln(x2+ax+1)的值域是R,如果命题p或q是真命题,p且q为假命题,则实数a的取值范围是
A.(-∞,3] | B.(-∞,-2]∪[2,3) |
C.(2,3] | D.[3,+∞) |
您最近一年使用:0次
2019-01-04更新
|
1441次组卷
|
4卷引用:陕西省西安市西北工业大学附属中学2021-2022学年高二下学期期中文科数学试题
陕西省西安市西北工业大学附属中学2021-2022学年高二下学期期中文科数学试题(已下线)1-3 简单的逻辑联结词、全称量词与存在量词(高效训练)-2019版导学教程一轮复习数学(人教版)河北省石家庄市藁城区第一中学2020届高三上学期第三次月考数学(理)试题(已下线)考点02 简易逻辑(文理)
名校
9 . 已知命题
方程
表示焦点在
轴上的椭圆,命题
双曲线
的离心率
,若“
”为假命题,“
”为真命题,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0046211e751ce4877607647c90786d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82dd7e9aeab5f879300c09dda6318cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0b2e46ce5d0706160c2ba6a11c8c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018-07-17更新
|
1525次组卷
|
4卷引用:【全国百强校】黑龙江省哈尔滨师范大学附属中学2017-2018学年高二下学期期末考试数学(文)试题
10 . 设p:实数x满足x2﹣4ax+3a2<0,其中a>0,命题q:实数x 满足
;
(1)若a=1且p∧q为真,求实数x的取值范围;
(2)若q是p的充分不必要条件,求实数a的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/4/19/1572596062044160/1572596067901440/STEM/d896163d355642248420846ebbbb5327.png)
(1)若a=1且p∧q为真,求实数x的取值范围;
(2)若q是p的充分不必要条件,求实数a的取值范围.
您最近一年使用:0次