名校
1 . 如图,
,E是线段AB上一点,且
,
.
;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41aba1711910c6f533cc94319104f4fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2291de85a2a29ff360a4515cce99c804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e53497af8899cb299d762f1a4f46a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/181a87e1244f3986865ed5803c8f2a91.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640f058b479299659893cf524ddf6544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2689f0ce5ab3467d8214794d8acb2bd6.png)
您最近一年使用:0次
解题方法
2 . 如图,直三棱柱
中,
,
是
的中点,
是
的中点.
直线
;
(2)求直线
与平面
所成的角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46720eabe78e309e02c24678632b586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca7c79e163af35ecc1997fa48412af36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93cf663ee2bf1ac5c43f4306fa0cf250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
您最近一年使用:0次
2024-03-24更新
|
1344次组卷
|
3卷引用:甘肃省武威市凉州区2023-2024学年高二下学期期中质量检测数学试卷
甘肃省武威市凉州区2023-2024学年高二下学期期中质量检测数学试卷上海市宝山中学2023-2024学年高二下学期3月考数学试卷(已下线)专题03 空间向量及其应用全章复习攻略--高二期末考点大串讲(沪教版2020选修)
2024高三·全国·专题练习
解题方法
3 . 如图,在正方体
中,
,
,
,点M,N分别是
,
的中点.
(1)试用
,
,
表示
.
(2)求证:
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a08f3a88dffed011df93d1d606a08ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f8173bb7787b6b107acfe767dd1d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232311b4261c36b659555a07bfa00f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/3/d1ed7a47-813c-483a-a098-5d06cabb43a5.png?resizew=171)
(1)试用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a014dff8997c661055229de29c61cfc.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7592c4f01c8e06c7ee90df5b9413a9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
您最近一年使用:0次
解题方法
4 . 求证:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6dbee398f3416c19ff4c2c47ca97f26.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/772fbd455cfda22084a1d7401ecfb70d.png)
您最近一年使用:0次
5 . 已知函数
是定义在
上的函数,且
的图象经过
点.
(1)求
的表达式;
(2)用单调性定义证明函数
在
上为增函数;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab4d7524cdebd7ba7c68793cea6f9c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85be68bcfee53e08e9a14508b4a92527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455ba3d3e46977fcbe5b71f8bb9df4be.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)用单调性定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85be68bcfee53e08e9a14508b4a92527.png)
您最近一年使用:0次
名校
解题方法
6 . 已知函数
过点
.
(1)判断
在区间
上的单调性,并用定义证明;
(2)求函数
在
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756ff9d863228496c10cc618df076fe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c02b788a26c366b04c5aa8985e0a752.png)
您最近一年使用:0次
2023-10-12更新
|
2599次组卷
|
6卷引用:甘肃省定西市2023-2024学年高二上学期期中数学试题
名校
7 . 已知函数
的图像过点
.
(1)求实数
的值;
(2)判断函数的奇偶性并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acce899605cc4c8f3edd448d3698dbff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ce2f5e22175e3ff8ab5e0afca58f9c.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断函数的奇偶性并证明.
您最近一年使用:0次
2023-10-09更新
|
1399次组卷
|
3卷引用:甘肃省白银市会宁县第四中学2023-2024学年高一上学期期中数学试题
8 . 直线
的方程为
.
(1)证明:直线
恒经过第一象限;
(2)若直线
一定经过第二象限,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5078c72c678f6e3e779622ea5960531a.png)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-09-02更新
|
382次组卷
|
2卷引用:甘肃省兰州市教育局第四片区联考2023-2024学年高二上学期期中考试数学试题
2023高三·全国·专题练习
解题方法
9 . 如图,四棱锥
的底面
为正方形, E为PB的中点.证明:
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826bf6fa3706921b77ad0eb4fcc206bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca48c18021e7be4bbb3e95576e1c1b5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/a3cc25a8-db4e-479b-a829-dd7d79e7ed19.png?resizew=153)
您最近一年使用:0次
解题方法
10 . 已知函数
的图象过原点,且
.
(1)求实数
的值;
(2)求不等式
的解集;
(3)若函数
,判断函数
的奇偶性,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf0ff84e93b6e5de3cf52da762013ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896df31f80127adbae738b3a014bd4e7.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1bfa3add22e0f54136daebcc6201f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
2023-01-02更新
|
929次组卷
|
2卷引用:甘肃省临夏州临夏县中学2022-2023学年高一下学期开学检测数学试题