解题方法
1 . 已知函数
.
(1)求函数
的定义域;
(2)若函数
的图象过
,求
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b00cc4b059d145ba763d7af48c5295a2.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2023-11-26更新
|
1130次组卷
|
3卷引用:甘肃省2022年普通高中学业水平合格性考试数学试卷
名校
解题方法
2 . 已知圆
过点
,
,且圆心
在直线
上.
是圆
外的点,过点
的直线
交圆
于
,
两点.
(1)求圆
的方程;
(2)若点
的坐标为
,求证:无论
的位置如何变化
恒为定值;
(3)对于(2)中的定值,使
恒为该定值的点
是否唯一?若唯一,请给予证明;若不唯一,写出满足条件的点
的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02af485e17e7628fd5a3ace6e0a32ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec40ff4479edca2ed18b6cadb8db72f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79188647c574441c2414c3781a0ef543.png)
(3)对于(2)中的定值,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79188647c574441c2414c3781a0ef543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2023-10-01更新
|
601次组卷
|
7卷引用:福建省普通高中2021-2022学年高二1月学业水平合格性考试数学试题
福建省普通高中2021-2022学年高二1月学业水平合格性考试数学试题黑龙江省哈尔滨市第九中学校2022-2023学年高二10月月考数学试题福建省南安市柳城中学2022-2023学年高二上学期11月期中考试数学试题四川省通江中学2022-2023学年高二上学期期中文科数学试题专题08B圆的方程与圆锥曲线(已下线)重难点突破16 圆锥曲线中的定点、定值问题 (十大题型)-1(已下线)专题02 期中真题精选(压轴93题10类考点专练)(2)
解题方法
3 . 已知函数
,
.定义
,设
,
,
为常数.
(1)当
时,判断函数
的奇偶性;
(2)定义区间
的长度为
.若
的解集为
,问是否存在
,使得
的全部区间长度之和等于6,若存在,求出
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df18da1ecd1a83afc4544ee71f00c56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92fd3003a50fc4b754f134fe799b12a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/726263a79bec039dd073ff799e52eca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647a44d40e8b50a9c308541bbe646dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeb9a94e392f6759b18abed89aacc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b426608a06477f57cb994f4d00e4465d.png)
(2)定义区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698c4d4e50062b4a7dd70fe1b4ab4fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701fce58a3087d253fd4fa948030eb50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ed2fb4a6389a9994694ba9aa5e6422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
4 . 已知三棱锥
中,
平面
,
,
,
为
中点,
为
中点,
在
上,
.二面角
的平面角大小为
.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f3956f008cc29ca4bae44a087d5427.png)
平面
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc63b945d37ff1fc7c4df312c3c23fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491c3a4f72b84ebadd28b90711435adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b17ba2410af31808093fc780fd2438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b796bbaeb8450404c2d146283562006e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f3956f008cc29ca4bae44a087d5427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
您最近一年使用:0次
5 . 已知函数
,
.
(1)求
的值及
的单调递增区间;
(2)若
在区间
上最大值为2,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d939566f1473bd97be2a802e3272548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbae0d22d931ac42b565c7990764a2c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
6 . 如图,四棱锥
的底面是正方形,
平面ABCD,M,N分别是BC,PC的中点.
(1)求证:
平面PDB;
(2)求证:
平面PDB.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/3/5b2a2fe2-b085-4e95-a738-e5436ef7e5a0.png?resizew=180)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd19c4db61254be8512edf741bf9f978.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdf217165748fafe938b64fa08179.png)
您最近一年使用:0次
2023-07-27更新
|
1032次组卷
|
3卷引用:2022年6月天津市普通高中学业水平合格性考试数学试题
解题方法
7 . 如图,在四棱锥
中,底面ABCD是矩形,
平面ABCD,M,N分别是PA,PB的中点,求证:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/2f39ff76-6743-4366-8326-8aee8785ed51.png?resizew=163)
(1)
平面ABCD;
(2)
平面PAD.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/2f39ff76-6743-4366-8326-8aee8785ed51.png?resizew=163)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7592c4f01c8e06c7ee90df5b9413a9f5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
您最近一年使用:0次
2023-12-14更新
|
3443次组卷
|
6卷引用:广东省2022年普通高中学业水平考试数学模拟试题二
广东省2022年普通高中学业水平考试数学模拟试题二2021年湖南省高中学业水平考试合格性考试仿真模拟数学试题湖南省邵阳市邵阳县2020-2021学年高一下学期期末数学试题新疆乌鲁木齐市第三十一中学2019-2020学年高一下学期期末考试数学试题(已下线)6.5.1直线与平面垂直-【帮课堂】(北师大版2019必修第二册)(已下线)专题19 直线与平面的位置关系-《重难点题型·高分突破》(苏教版2019必修第二册)
8 . 已知函数
.
(1)判断
的奇偶性;
(2)若
,判断
在
的单调性,并用定义法证明;
(3)若
,
,判断函数
的零点个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf6edebbf204ca0e7462d7ece59fca1.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d013331d969749c306909529a88a49.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada9b792b1555668175c590447b02fb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
2023-05-25更新
|
908次组卷
|
3卷引用:福建省普通高中2021-2022学年高二6月学业水平合格性考试数学试题
9 . 如图,在三棱锥
中,侧面
底面
,且
的面积为6.
(1)求三棱锥
的体积;
(2)若
,且
为锐角,求证:
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e20c91aa2c9c3fa6e28c91c39509401.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/27/e4ad30f2-3e8a-4402-9de2-006ac3bd16f1.png?resizew=124)
(1)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4548f93753d1a71f126a4fad52df024a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
您最近一年使用:0次
2023-05-25更新
|
2265次组卷
|
7卷引用:福建省普通高中2021-2022学年高二6月学业水平合格性考试数学试题
福建省普通高中2021-2022学年高二6月学业水平合格性考试数学试题(已下线)高一下册数学期末考试综合础评估卷2-【超级课堂】(已下线)高一下册数学期末模拟卷(一)【超级课堂】四川省广元市宝轮中学2023届高三仿真考试(二)数学(文)试题云南省福贡县第一中学2022-2023学年高一(重点班)下学期第二次月考数学试题专题07B立体几何解答题(已下线)第04讲 直线、平面垂直的判定与性质(练习)
名校
解题方法
10 . 某工厂的A、B、C三个不同车间生产同一产品的数量(单位:件)如下表所示.质检人员用分层抽样的方法从这些产品中共抽取6件样品进行检测:
(1)求这6件样品中来自A、B、C各车间产品的数量;
(2)若在这6件样品中随机抽取2件进行进一步检测,求这2件产品来自相同车间的概率.
车间 | A | B | C |
数量 | 50 | 150 | 100 |
(2)若在这6件样品中随机抽取2件进行进一步检测,求这2件产品来自相同车间的概率.
您最近一年使用:0次
2023-04-09更新
|
820次组卷
|
3卷引用:广西柳州市第三中学2022-2023学年高二上学期11月学考二模考试数学试题