2024高三下·全国·专题练习
1 . 英国数学家泰勒发现了如下公式:
,
,其中
.这些公式被编入计算工具,计算工具计算足够多的项就可以确保显示值的精确性.
(1)用前三项计算
;
(2)已知
,
,
,试证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e001efee18e05afab241c12334d98cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba15a427babacf319deb9c4dd8d58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92307718a00deef60672fc21c4281a01.png)
(1)用前三项计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb0821260d845231f860baeabd68eeb.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa20a3f02e6430d94120e9df5eaaa70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695cf64b357d24bc88ea669ad8f1de57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabd3c4a5fd9278fea6546a52a7a6653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35a815e123ef5a7adc448a9c8aff37b7.png)
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2 . 英国数学家泰勒发现了如下公式:
,
,其中
.这些公式被编入计算工具,计算工具计算足够多的项就可以确保显示值的精确性.
(1)用前三项计算
;
(2)已知
,
,
,试比较
,
,
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e001efee18e05afab241c12334d98cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ba15a427babacf319deb9c4dd8d58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7ce15cf27e4aec8abddd8b495a30f2.png)
(1)用前三项计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb0821260d845231f860baeabd68eeb.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa20a3f02e6430d94120e9df5eaaa70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695cf64b357d24bc88ea669ad8f1de57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabd3c4a5fd9278fea6546a52a7a6653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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2023高三·全国·专题练习
3 . 已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759c50c619e0960cb69b2934a6718d42.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023高三·全国·专题练习
4 . 已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e977f4e5e32f544178836f331f48be27.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023高三·全国·专题练习
5 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157cb1a451eaaca2ae9cfcefa12e69da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9ea25c6912d6d8865bd5c95f168bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3576c7dac08ae64d281b8f8309455745.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023高三·全国·专题练习
6 . 设总体X的概率密度函数为
其中θ是未知参数,
,
,…,
是一组样本观测值,求参数θ的最大似然估计值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d1806c8d2bcf4dd0ab65961aa0ad57.png)
![](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/3282e5fde4ae53fcb1bb072a685304c9.png)
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2023高三·全国·专题练习
7 . 设某种灯泡的使用寿命X的概率密度函数为
其中
为未知参数,
,
,…,
为样本的一组观测值,求参数θ的最大似然估计值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ba99d6c6152126a58bd88bfdf6bdc90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e162d1739982517c1a337606c0e26573.png)
![](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/3282e5fde4ae53fcb1bb072a685304c9.png)
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2023高三·全国·专题练习
8 . 判断
是否满足距离的定义.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ccc0942d8b489fe043268fdfdb6f66.png)
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9 . 如图,已知平面上有点A与直线l,AB平行于x轴,AB与l的夹角
.M为l上除B外任一点,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75f0f73ef73170c99098b7bddd21bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f646399565a11f03478237d7309d7067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75f0f73ef73170c99098b7bddd21bf9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/8/7401cd87-5979-4611-afc3-3c431fd52ec6.png?resizew=167)
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