名校
1 . 如图,在四边形
中,
与
相交于点O,且
,点E在
上,满足
.
![](https://img.xkw.com/dksih/QBM/2023/9/26/3333000704909312/3335510916694016/STEM/c817dccb27c44aaabb60c9f33361399e.png?resizew=127)
(1)求证:四边形
是平行四边形;
(2)若
,
,求四边形
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0944865f14b13a772526c4cae4f29c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae558b72f28c9aac7278252020b14d9.png)
![](https://img.xkw.com/dksih/QBM/2023/9/26/3333000704909312/3335510916694016/STEM/c817dccb27c44aaabb60c9f33361399e.png?resizew=127)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bfad3f7e65188bcf7f62ea5acdbf4a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8cc58ef27567f0ab06eb1012aec330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bfad3f7e65188bcf7f62ea5acdbf4a.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,且
.
(1)求
的值;
(2)判断
在
上的单调性,并用定义证明.
(3)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/227faad8de9d704d712aea5b39de1a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf2e72d1393c790b353484f13f581cc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af12d927649df46e96635fe5e6b9dc4.png)
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2024-04-12更新
|
342次组卷
|
2卷引用:新疆乌鲁木齐市科信中学2023-2024学年高一下学期3月月考数学试卷
3 . 如图,平面四边形
中,
,
,
,以
为折痕将
折起,使点A到达点
的位置,且
.
为棱
中点,求异面直线
与
所成角的余弦值;
(2)证明:平面
平面
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6108b94b7b2d4e1931e0ca459bd843b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1719410d21e3de1242366ce2965e838c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3e27f6e6d1592408508cc9fd14d480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(2)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c309e58bf083bad13abd549720a63a22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
4 . 已知
,
.
(1)判断函数
的奇偶性,并用定义证明;
(2)当
时,判断函数
在区间
上的单调性,并用定义证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f7f23e7f20dd8bc65a4967cd306782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325cd3e57465c5cc93f068c94c2b8f7f.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5042a85ef71355436da60c45ceadfbbc.png)
您最近一年使用:0次
5 . 已知关于x的方程
.
(1)求证:此方程有两个不相等的实数根;
(2)设此方程的两个根分别为
,若
,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35be3d59b4d0d6d34210c841ab53d8d.png)
(1)求证:此方程有两个不相等的实数根;
(2)设此方程的两个根分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd9956ece187cdcfcaac03526c609fd.png)
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6 . 已知函数
.
(1)判断函数
在R上的单调性,并用单调性的定义证明;
(2)判断函数
的奇偶性,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4860cfb62961822ba79ebacd256993a.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
您最近一年使用:0次
2024-01-26更新
|
233次组卷
|
2卷引用:新疆维吾尔自治区乌鲁木齐市六校2023-2024学年高一上学期期末联考数学试题
解题方法
7 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca3b5f44d4f2b4a8d3cab19b89aefd9.png)
(1)判断并证明函数的奇偶性;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca3b5f44d4f2b4a8d3cab19b89aefd9.png)
(1)判断并证明函数的奇偶性;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc42e2400d75a452775395a6f663df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
8 . 已知函数
.
(1)判断函数的奇偶性;
(2)用定义法证明:
在
上单调递增;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393eb1f90b041d721c9e530284797e84.png)
(1)判断函数的奇偶性;
(2)用定义法证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd2eedab1868828530de228aee6a714a.png)
您最近一年使用:0次
9 . 已知函数
.
(1)判断
的奇偶性;
(2)用定义法证明
在
上单调递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca3fd09aa6bd2c73f713869a28e38e30.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)用定义法证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
您最近一年使用:0次
10 . 已知函数
.
(1)判断函数
奇偶性;
(2)用单调性定义证明函数
在区间
上单调递减.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a653539b7d09464e5ec82d80cee075aa.png)
(1)判断函数
![](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/7160d93f92089ef36f3dab809d3114b8.png)
您最近一年使用:0次