名校
1 . 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)
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2022-02-16更新
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1045次组卷
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3卷引用: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
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
名校
2 . 函数
在区间
的最小值为
,且在区间
唯一的极大值点
.则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3fd8e0e8115d2edc424b86aaf02cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f00f2f6ab162f9333ec55db195d663b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc299018cae8bc47faa38c156b355ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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