已知
,
.
(1)讨论
的单调性;
(2)若
有两个零点
.
(ⅰ)求实数
的取值范围;
(ⅱ)
是
的极值点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca20bb0b4a93bb1771eff02239e549f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
(ⅰ)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(ⅱ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04ddd92ea0665845393e47f4b4a7679.png)
21-22高三下·湖北荆州·开学考试 查看更多[3]
湖北省圆创联考2022届高三下学期2月第二次联合测评数学试题(已下线)技巧04 第二篇 解题技巧(测试卷)--第二篇 解题技巧--《2022年高考数学二轮复习讲练测(浙江专用)》湖北省恩施州咸丰春晖学校2022-2023学年高二下学期3月月考数学试题
更新时间:2022-02-16 23:34:09
|
相似题推荐
解答题-问答题
|
较难
(0.4)
名校
解题方法
【推荐1】设函数
.
(1)若
,求函数
在
上的最小值;
(2)若对任意的
,有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc399761ac2d520f90c9070be607ae57.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题
|
较难
(0.4)
【推荐2】设函数
,
.
(1)讨论
的单调性;
(2)设
(
).对任意
,
,
,都有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b237e0a5c9465cec911e454256d7ec.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e5c750ad3003d49c5c0f906e34ca6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045a5369e2f603406921ebafb84bc88b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c16b748ca5aac72437f5b13c86f5435f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
名校
解题方法
【推荐1】已知函数
.
(1)求
在
处的切线方程;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d54e3f26eda7efd2b22192a8758f83b0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51947e18ac12b186aa3c09e62c036af9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2405c4822bceae1cf191edb502d3b0.png)
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
【推荐2】已知
是函数
的导函数.
(1)讨论方程
的实数解个数;
(2)设
为函数
的两个零点且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ffe29724299304684e9c733ca347289.png)
(1)讨论方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2566a3cbcfba33c333c8882bdc77222d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684bcf84f0a266515bfafde0da903050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
【推荐1】已知函数
,
.
(1)若
,求证:
有且只有两个零点;
(2)不等式
对
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2150b0c0926d641eefb3a84716190eb4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3910a71fe9c625fbd6f7d05d02da7e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(2)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62092b343b4f4a19051476138a82ee8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
名校
【推荐2】已知函数
.
(1)是否存在实数
使得
在
上有唯一最小值
,如果存在,求出
的值;如果不存在,请说明理由;
(2)已知函数
有两个不同的零点,记
的两个零点是
,
.求证:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d167cbfeb7581c1c2c49b42819d30bce.png)
(1)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b916df8bdd03ba4a31c0b8470d13436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2657531e42d908babb4383ac75c73d01.png)
您最近一年使用:0次