解题方法
1 . 如图,在棱长为1的正方体
中,
,
分别是棱
,
上的动点,且
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/16cbb273-5418-42be-a260-ab7402921fd3.png?resizew=166)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6efb5e820ddc8c575f1a974b709551bf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/16cbb273-5418-42be-a260-ab7402921fd3.png?resizew=166)
A.![]() |
B.![]() |
C.存在无数条直线与直线![]() ![]() ![]() |
D.当三棱锥![]() ![]() ![]() |
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2 . 已知函数
,
,满足以下条件:①
,其中
,
:②
.则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be874fe761d0023c54e4d6817a741041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e52db8a5ec93256823188dd3f5d1b60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d9f71fbab5a241082f8e297a0fcc10d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241553167658572549705dda8cd7c207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5215a578933ba72022450a6d3a37d14.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 若函数
的图象关于直线
对称,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d29ae1379dc11b59a23d4685333ffc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c6cb0cc172657611e286e7fa669584.png)
A.![]() |
B.点![]() ![]() |
C.![]() ![]() |
D.直线![]() ![]() |
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4 . 已知复数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc933d8e17ad3edfe04a3d4a2d0716d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37058c1d1f747848365c7bc3718e490.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知函数
.
(1)试求函数
的极值;
(2)若存在实数
使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c07123ac8a795469c83fb5619c2363b.png)
(1)试求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238252d27fd04fa32efbd2e2159d5696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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名校
解题方法
6 . 已知抛物线
,其焦点为
,定点
,过
的直线
与抛物线
相交于
,
两点,当
的斜率为1时,
的面积为2.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/3aad966c-def1-42af-b9bd-fb59bde895fb.png?resizew=132)
(1)求抛物线的标准方程;
(2)若抛物线在
,
点处的切线分别为
,
,且
,
相交于点
,求
距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c59f0e35b7ae5206e45878934482b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a33181b27b10690b4913595f8c1f46e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/3aad966c-def1-42af-b9bd-fb59bde895fb.png?resizew=132)
(1)求抛物线的标准方程;
(2)若抛物线在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
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2023-05-11更新
|
526次组卷
|
3卷引用:安徽省铜陵市2023届高三三模数学试题(新课标老高考)
安徽省铜陵市2023届高三三模数学试题(新课标老高考)四川省绵阳市南山中学实验学校2024届高三上学期1月月考数学(理)试题(已下线)第五篇 向量与几何 专题4 极点与极线 微点4 极点与极线问题常见模型总结(二)
解题方法
7 . 某校承接了2023年某大型考试的笔试工作,考试前,学校将高二年级的201~205五个班级内部的墙壁装饰画取下后打包,统一放置,考试结束后再恢复原位.学校安排了三位校工甲、乙、丙进行该项工作,每位校工至少负责一个班级的装饰画复原工作.已知每位校工能够完全还原一个班级装饰画的概率均为
,并且他们之间的工作相互独立.
(1)求校工甲将自己负责的所有班级的装饰画完全还原的概率;
(2)设校工乙能够完全还原的班级数为X,求X的分布列和数学期望.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
(1)求校工甲将自己负责的所有班级的装饰画完全还原的概率;
(2)设校工乙能够完全还原的班级数为X,求X的分布列和数学期望.
您最近一年使用:0次
解题方法
8 . 已知
的内角A,B,C的对边分别为a,b,c,且
,
,
.
(1)试判断三角形
的形状;
(2)若线段
长为3,其端点分别落在边
和
上,求
内切圆半径的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988b7e964e313579ab8869d67d5be007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cf6a97a7c7bc1c2929ddc61423a0a9.png)
(1)试判断三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
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9 . 如图所示,空间四边形
中,
,
,且
,
,二面角
的大小为45°.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/696d6e0c-989f-4d72-bb5b-6d52ded7fc8b.png?resizew=127)
(1)求异面直线
和
的夹角;
(2)求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e51b89f545616ef48f3706850107ad95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ed75e65e7374c38ffb1f75259a8beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a318e77202631ff5f396a12d4b58eb5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6d47edbcc2ae6efcfd7f28e401e3e9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/696d6e0c-989f-4d72-bb5b-6d52ded7fc8b.png?resizew=127)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f0ac3005d5ecd6d4cea0ce99a47ef3c.png)
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解题方法
10 . 已知数列
的前
项和
满足
,且
.
(1)求数列
的通项公式;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c66ef70460e573493ed24adccea8451b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86f2685e83150e412e90759e376e93e.png)
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