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1 . 在同一平面直角坐标系中,
分别是函数
和函数
图象上的动点,若对任意
,则
最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9e0c6acf97351409b3fe2d30054a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8faa5f6f296bd3c08757b697df7a7a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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今日更新
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74次组卷
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2卷引用:四川省成都石室中学2024届高三下学期高考适应性考试(一)理科数学试题
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解题方法
2 . 已知数列
满足
,函数
在
处取得最大值,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b7daadaea74c1a9d8f97fd0b4086f1.png)
_____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed80d1dacc68bbd4cbc68ec62bf6d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de1d6fcafad215d8d8599aa239422548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637ba545aa2598e5c0e8ea6b8898bbc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b7daadaea74c1a9d8f97fd0b4086f1.png)
您最近一年使用:0次
今日更新
|
74次组卷
|
2卷引用:四川省成都石室中学2024届高三下学期高考适应性考试(一)理科数学试题
名校
3 . 在平行六面体
中,
,
.
满足:
,求
;
(2)求平面
与平面
所成夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cead0e8eadfdcefa334953e88864f424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4d13ecb54b1006051d2561327aa4755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79229606d05f53c89b900e37c5cb6f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5b5776371df4d28cbc7a791053e8f8.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bf9ef324f1289e205e29fed105c38e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
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4 . 曲线
上有相异三点到点
的距离相同,则t的取值范围为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0bf168ca4cdfd46585a858fcd58a2b.png)
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解题方法
5 . (1)讨论函数
在区间
内的单调性;
(2)存在
,
,满足
,且
.
(ⅰ)证明:
;
(ⅱ)若
,证明:
.(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa2f102710ab36f730e3295846f2a11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfe8e7fb253685e0e50bae0c5482314.png)
(2)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8646b528af1835efe850241749ea77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167435d42312f20ed1d83d49c022f8a5.png)
(ⅰ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8a1a2dfd5488a95a8693907bdcb9b4.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e16d06a51dcc46f94863e35ec72ba6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc042c4c577a2fa2060ee13bb89345a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830b99ffb2e33df5b4049e3ea9e7f8de.png)
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解题方法
6 . 如图,三棱柱
所有棱长都为2,
,D为
与
交点.
平面
;
(2)若
,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900e00a3609e6043af1034761d4d65f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c309e58bf083bad13abd549720a63a22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b7903de4be7d5dc1175cfbf6e8da9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f363a61204bb3b8184c62336b1d9c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20b124475cdfe9a082a8f9f34af9193.png)
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7 . “绿色出行,低碳环保”的理念已经深入人心,逐渐成为新的时尚甲、乙、丙三人为响应“绿色出行,低碳环保”号召,他们计划6月1日选择“共享单车”或“地铁”两种出行方式中的一种.他们之间的出行互不影响,其中,甲选择“共享单车”的概率为
,乙选择“共享单车”的概率为
,丙选择“共享单车”的概率为
.
(1)若有两人选择“共享单车”出行,求丙选择“共享单车”的概率;
(2)记甲、乙、丙三人中选择“共享单车”出行的人数为X,求X的分布列与数学期望.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
(1)若有两人选择“共享单车”出行,求丙选择“共享单车”的概率;
(2)记甲、乙、丙三人中选择“共享单车”出行的人数为X,求X的分布列与数学期望.
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解题方法
8 . 双曲线
的两个焦点为
、
,对称中心为O,在
的一条渐近线上取一点M,使得
等于C的半实轴长,当
的最小角取最大值时,
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c19fa4cd646f4d877c3e58cc346651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42fc33bcfc63ec2f4940ccd3f862400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.2 | D.![]() |
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9 . 设函数
,则“
”是“
在
上单调递增”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36db901c68dcf6a1b32bb6a7ddb6e795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd14739eeaf152b1ab9de71444703406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2c85597ea3772df8816975f803efd9.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
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10 . 函数
与
的图象( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6b84dc6f1c59687d120e8f13184656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b0b10aae105df16fbed5bcce262b6d.png)
A.关于![]() | B.关于![]() |
C.关于![]() | D.关于![]() |
您最近一年使用:0次