10-11高二下·辽宁抚顺·期末
名校
解题方法
1 . 如图,已知PA⊥矩形ABCD所在平面,M、N分别为AB、PC的中点;
![](https://img.xkw.com/dksih/QBM/2021/10/18/2832078255874048/2834117571584000/STEM/28c99d28-f404-416e-ae0a-5abc18dee71b.png?resizew=287)
(1)求证:MN//平面PAD;
(2)若
,求证:MN⊥平面PCD.
![](https://img.xkw.com/dksih/QBM/2021/10/18/2832078255874048/2834117571584000/STEM/28c99d28-f404-416e-ae0a-5abc18dee71b.png?resizew=287)
(1)求证:MN//平面PAD;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb6823ce3888cb560cfa4984dc2f307.png)
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2021-10-21更新
|
450次组卷
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7卷引用:重庆市第十八中学2021-2022学年高二上学期10月考试数学试题
重庆市第十八中学2021-2022学年高二上学期10月考试数学试题(已下线)2010-2011学年辽宁省抚顺市六校联合体高二下学期期末考试数学甘肃省平凉市庄浪县第一中学2019-2020学年高一第二学期期中考试数学试题福建省泉州市四校(晋江磁灶中学等)2019-2020学年高一下学期期中联考数学试题(已下线)河北省中等职业学校对口升学考试全真模拟冲刺卷数学试题十五(已下线)4.3.2 空间中直线与平面的位置关系广西桂林市奎光学校2021-2022学年高一下学期热身考试数学试题
名校
2 . 已知
函数
.
(1)求函数
的定义域并判断
的单调性,不证明;
(2)若
在区间
的值域
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21fbae361b429c2e8132d8dd808a443b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8949496be01473abaa512cb6cee02d9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a56806c9bf7927769af420fdabe96cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249f251d03b5e52646b1221fc8712ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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解题方法
3 . 已知函数
.
(1)设
,
,试比较
与0的大小;
(2)若
恒成立,求实数
的取值范围;
(3)若
使
有两个不同的零点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d953e0555ad7f4e3474347e366b400.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c00f18cd1ec6ae9631830ac4b99d68.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/089a407016a48bd18f7ccb79355e8f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f05453013bb87fa4ecbad005a51ef21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076152bab00dcc8a6dcda6f500d80280.png)
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4 . 如图,已知四棱锥
的底面为直角梯形,
,
,
底面ABCD,且
,M是棱PB的中点.
![](https://img.xkw.com/dksih/QBM/2021/11/15/2851601244577792/2852482338373632/STEM/640dc0bdae1147fb84e2be80fc798744.png?resizew=189)
(1)证明:
平面PAD;
(2)求AC与PB所成角的余弦值;
(3)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd8e727e4efc22b49649f71ae9c9d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b377f22aafd3742ad860f77abaacef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda1a7eeb84ee2f5f723c78de0867aa1.png)
![](https://img.xkw.com/dksih/QBM/2021/11/15/2851601244577792/2852482338373632/STEM/640dc0bdae1147fb84e2be80fc798744.png?resizew=189)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a90c5466cb1f9810d2739a7634a4352.png)
(2)求AC与PB所成角的余弦值;
(3)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9a8d2e4172812913af13badafa4dbb.png)
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5 . 如图,直角梯形AEFB与菱形ABCD所在的平面互相垂直,
,
,
,
,
,M为AD中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/1/1f636d58-0cf2-4b0b-a744-f8c198ba6be7.png?resizew=200)
(1)证明:直线
面DEF;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf7dc43a39738e3e2a0b819be505c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5b4ea605cf0b98e428d071f6be6762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db203a75be4335050febf55bc53d596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4280be91682e5d8a0d0704190319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/1/1f636d58-0cf2-4b0b-a744-f8c198ba6be7.png?resizew=200)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d55d609d417f8ecc01b5309edff6ecfd.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f32f4194980263248efbcbee46046e3.png)
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2022-01-12更新
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507次组卷
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3卷引用:重庆市江北区字水中学2023-2024学年高二上学期第一次月考数学试题
名校
解题方法
6 . 已知函数
是定义在
上的奇函数.
(1)求实数
的值;
(2)判断函数
的单调性并证明∶
(3)求函数
的值域;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56dd0b42bab76334b51a92d0e9329563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
您最近一年使用:0次
2021-12-10更新
|
621次组卷
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4卷引用:重庆市字水中学2021-2022学年高一上学期期中数学试题
7 . 设函数
,
过点
.
(1)求
;
(2)若
有一个绝对值不大于1的零点,证明:
所有零点的绝对值都不大于1.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f59adc1b43726f86c530deb64e7d45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a7c49551e2275720db4f4ba2efc581.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
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8 . 如图,圆锥PO的顶点为P,点A、B、C、M都在底面⊙O上,且AB=BC=3,
,∠APB=∠APC,设E、F分别是母线PB、PC靠近B、C的三等分点,并且平面AEF交母线PM于点T,二面角B-PA-C的余弦值为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/aacb2af0-44d7-4f59-a1d2-3d3a92e1bfb6.png?resizew=288)
(1)证明:AP⊥EF;
(2)求PT与平面AEF所成角的正弦值.
(3)已知H∈面AEF,求BH+HM的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0817bfb883e8a99a57ecc323c7c7170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/aacb2af0-44d7-4f59-a1d2-3d3a92e1bfb6.png?resizew=288)
(1)证明:AP⊥EF;
(2)求PT与平面AEF所成角的正弦值.
(3)已知H∈面AEF,求BH+HM的最小值.
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9 . 如图1,已知正方形
的边长为
,
分别为
,
的中点,将正方形
沿
折成如图2所示的二面角,且二面角的大小为
,点
在线段
上(包含端点)运动,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/a2e1f751-485f-4f64-8a9c-98d0550fc041.png?resizew=327)
(1)若
为
的中点,直线
与平面
的交点为
,试确定点
的位置,并证明直线
平面
.
(2)是否存在点
,使得直线
与平面
所成的角为
?若存在,求此时平面
与平面
的夹角的余弦值;若不存在,请说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260200d547998bcac50a4a491382e7f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/a2e1f751-485f-4f64-8a9c-98d0550fc041.png?resizew=327)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6072ec6dfc0203cabb1fe289a5ddc8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/558ce69401f3c97930f00ba0e2aa6647.png)
(2)是否存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/558ce69401f3c97930f00ba0e2aa6647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260200d547998bcac50a4a491382e7f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711da913d92fc989e581bcfdfe092a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f636f76d550dfb593a25eb680cff556.png)
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2021-10-12更新
|
504次组卷
|
6卷引用:重庆市二0三中学校2022-2023学年高二上学期第一次月考数学试题
21-22高三上·内蒙古包头·期末
名校
10 . 已知函数
,其中
是自然对数的底数.
(1)若
在
上是单调增函数,求
的取值范围;
(2)证明:当
时,方程
有且只有两个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e2c697a4dbe9f2fc0fc1ae682e942c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b06a771425949868d22bd232ed85166.png)
您最近一年使用:0次
2021-03-01更新
|
623次组卷
|
4卷引用:重庆市蜀都中学2020-2021学年高二下期四月月考数学试题
重庆市蜀都中学2020-2021学年高二下期四月月考数学试题(已下线)内蒙古包头市2020-2021学年高三上学期期末考试数学(理)试题江苏省南京市第二十九中学2020-2021学年高二下学期3月月考数学试题重庆市第四十二中学校2020-2021学年高二下学期3月月考数学试题