21-22高二·湖南·课后作业
解题方法
1 . 证明:当
时,正态分布的概率密度函数取得最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6887eae47401f3acc6f99ce6ca7c30d.png)
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名校
2 . 已知函数
,
.
Ⅰ
讨论函数
在定义域上的单调性;
Ⅱ
当
时,求证:
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1696f4bc6be0e029b2fb5d619522bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee0d99f80c9c7b9a40941d0bd4bad62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dc6c0f268c67f24958511964b86cc89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c30d51b7caac006989c9b2031e1bb4c.png)
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2019-04-03更新
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3314次组卷
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6卷引用:云南省沧源佤族自治县民族中学2021~2022学年高二上学期期末考试数学试题