解题方法
1 . 已知双曲线
,经过点
的直线
与该双曲线交于
两点.
(1)若
与
轴垂直,且
,求
的值;
(2)若
,且
的横坐标之和为
,证明:
.
(3)设直线
与
轴交于点
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e250158df0fcb0b51013bd626545e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ac8fa800c00933279f2b20e5034438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138c0f0b71a955d0a4f249d57b53d5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71812e0762c0aaffb51cfef66156567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a563c50a7f6d10fa46339d7107fc85e.png)
(3)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb6ee119dc122c6bda124041812a2ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
您最近一年使用:0次
2020-05-20更新
|
508次组卷
|
5卷引用:2020届上海杨浦区高三二模数学试题
2020届上海杨浦区高三二模数学试题(已下线)热点04 平面向量、复数-2021年高考数学【热点·重点·难点】专练(上海专用)上海市致远高中2020-2021学年高二上学期12月月考数学试题上海市同济大学第二附属中学2024届高三上学期期中数学试题西藏拉萨市部分学校2023-2024学年高二上学期期末模拟数学试题(理科)
2 . 如图,已知点P是平行四边形ABCD所在平面外一点,M,N分别是AB,PC的中点.
![](https://img.xkw.com/dksih/QBM/2020/1/16/2378465456242688/2378501775310848/STEM/46780b7e7f454ded99629dc9714e01b2.png?resizew=132)
(1)求证:MN∥平面PAD;
(2)在PB上确定一个点Q,使平面MNQ∥平面PAD,并证明你的结论.
![](https://img.xkw.com/dksih/QBM/2020/1/16/2378465456242688/2378501775310848/STEM/46780b7e7f454ded99629dc9714e01b2.png?resizew=132)
(1)求证:MN∥平面PAD;
(2)在PB上确定一个点Q,使平面MNQ∥平面PAD,并证明你的结论.
您最近一年使用:0次
2020-01-16更新
|
1034次组卷
|
15卷引用:江西省上饶市铅山县第一中学2020-2021学年高一(统招班)联考数学试题
江西省上饶市铅山县第一中学2020-2021学年高一(统招班)联考数学试题【全国百强校】河北省武邑中学2018-2019学年高二上学期第三次月考数学(理)试题【全国百强校】甘肃省兰州第一中学2018-2019学年高一12月月考数学试题四川省遂宁中学外国语实验学校2018-2019学年高二上学期第二学段考试数学(理)试题四川省遂宁中学外国语实验学校2018-2019学年高二上学期第二学段考试数学(文)试题甘肃省白银市靖远县第四中学2019-2020学年高一上学期12月月考数学试题陕西省西安中学2019-2020学年高一上学期12月月考数学试题(已下线)2019-2020学年高一上学期期末复习1月第01期(考点10)-《新题速递·数学》人教B版(2019) 必修第四册 逆袭之路 第十一章 立体几何初步 11.3.3 平面与平面平行黑龙江省哈尔滨师范大学青冈实验中学校2020-2021学年高二上学期开学考试数学试题(已下线)考点31 直线、平面平行的判定及其性质-备战2021年高考数学(理)一轮复习考点一遍过(已下线)考点30 直线、平面平行的判定及其性质-备战2021年高考数学(文)一轮复习考点一遍过四川省成都市石室佳兴外国语学校2019-2020学年高一下学期期中数学试题天津市实验中学滨海学校2020-2021学年高一下学期期中数学试题广东省增城区四校2021-2022学年高一下学期期中联考数学试题
名校
解题方法
3 . 如图,在四棱锥
中,平面
平面
,
,
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/828ecdc7-4e9b-42f0-a369-850d04f5a2d6.png?resizew=220)
(1)求证:
;
(2)过
作截面与线段
交于点H,使得
平面
,试确定点H的位置,并给出证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb96e0331eebe80ed1ff610faf531fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a94fb1f77d2451d00cc745252fe184.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/828ecdc7-4e9b-42f0-a369-850d04f5a2d6.png?resizew=220)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5d56d8170b764b80a672cd6c861921.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d8677ae5ca7acf874d93789425d172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c0c35ada784e2702bcc12a405f7ec5.png)
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2020-05-14更新
|
375次组卷
|
5卷引用:2020届湖南省娄底市高三高考仿真模拟文科数学试题
2020届湖南省娄底市高三高考仿真模拟文科数学试题宁夏回族自治区银川一中2020届高三下学期第五次模拟考试数学(文)试题山西省运城市景胜中学2020-2021学年高二上学期9月适应性测试数学试题(已下线)考点24 空间直线、平面的平行、垂直问题-2021年新高考数学一轮复习考点扫描陕西省咸阳市武功县2021届高三下学期第二次质量检测文科数学试题
名校
4 . 如图,已知曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8664e94c5793590f8d478e20908317c6.png)
,曲线
,P是平面上一点,若存在过点P的直线与
都有公共点,则称P为“
型点”.
![](https://img.xkw.com/dksih/QBM/2020/1/9/2373535080144896/2373593427968000/STEM/e4434afaff9a491eb01394e08d051e00.png?resizew=173)
(1)若
,
时,判断
的左焦点
是否为“
型点”,并说明理由;
(2)设直线
与
有公共点,求证
,进而证明原点不是“
型点”;
(3)若圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd432589cb00c29cac1806288e99ed0.png)
内的任意一点都不是“
型点”,试写出a、b满足的关系式,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8664e94c5793590f8d478e20908317c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4b0a3b2e59998deacae94069bcc5ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f844bab7df19b7dc383019f5fb34e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880248fa1259b2600a87f09a61287d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fabe1a4f2ae90e0ff2bbfe913404cea4.png)
![](https://img.xkw.com/dksih/QBM/2020/1/9/2373535080144896/2373593427968000/STEM/e4434afaff9a491eb01394e08d051e00.png?resizew=173)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fabe1a4f2ae90e0ff2bbfe913404cea4.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553288bc51ba6174dab2e0175d2df90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fabe1a4f2ae90e0ff2bbfe913404cea4.png)
(3)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd432589cb00c29cac1806288e99ed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314b34791285525ebef09afa9d2b922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fabe1a4f2ae90e0ff2bbfe913404cea4.png)
您最近一年使用:0次
名校
5 . 如图,在四棱锥P-ABCD中,
是等腰三角形,且
.四边形ABCD是直角梯形,
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/2020/2/22/2407362404286464/2418618003398656/STEM/a65a0443-3a59-48c5-ab80-3f0c95cc2269.png?resizew=238)
(1)求证:
平面PDC.
(2)请在图中所给的五个点P,A,B,C,D中找出两个点,使得这两点所在直线与直线BC垂直,并给出证明.
(3)当平面
平面ABCD时,求直线PC与平面PAB所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f6094178afeeacdcdec10d7bde05b4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd8e727e4efc22b49649f71ae9c9d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0e5697eca3f5205cb7b343648240bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40560ea08d6cd8c1d4d9661ee6faaa3b.png)
![](https://img.xkw.com/dksih/QBM/2020/2/22/2407362404286464/2418618003398656/STEM/a65a0443-3a59-48c5-ab80-3f0c95cc2269.png?resizew=238)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fdb2b9d6a4a54ed1328c5b3adcf7b6.png)
(2)请在图中所给的五个点P,A,B,C,D中找出两个点,使得这两点所在直线与直线BC垂直,并给出证明.
(3)当平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
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6 . 对于无穷数列
,“若存在
,必有
”,则称数列
具有
性质.
(1)若数列
满足
,判断数列
是否具有
性质?是否具有
性质?
(2)对于无穷数列
,设
,求证:若数列
具有
性质,则
必为有限集;
(3)已知
是各项均为正整数的数列,且
既具有
性质,又具有
性质,是否存在正整数
,
,使得
,
,
,…,
,…成等差数列.若存在,请加以证明;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3cb1321c970c49c9f6a5635ac23d6a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99699ac8106034f647e4f460b3bf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa8264eb8eea3025a152318df8720b1.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e836ef3b31693dcaf25b414277e8ae8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8f894492a8126f5f133dec4cd68833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c414a10d73f453fc1109e5b2243d2369.png)
(2)对于无穷数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926b0a2429ebf269f7e9368ac0306956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e691589e9aafddefcbb613c7030f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bea0dd7e474bcd04db2544427ba0488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7470297de40027847c5c73fc5d1719c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7334c46af837676ada9575630a48d60f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0699adb388000a87241d6b113e733cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969293569368540b9517380795cb571b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfaf6fb5cd9a53f7adc324976735b9a.png)
您最近一年使用:0次
2019-06-18更新
|
1787次组卷
|
5卷引用:2019年上海市普陀区高三高考三模数学试题
2019年上海市普陀区高三高考三模数学试题江西省吉安市第一中学2024届高三“九省联考”考后适应性测试数学试题(一)广东省湛江市雷州市第二中学2023-2024学年高二下学期开学考试数学试题(已下线)新题型01 新高考新结构二十一大考点汇总-3(已下线)专题06 数列
名校
7 . (1)已知实数
,
满足
,
,证明:
.
(2)已知
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b46b185d15ba613130babd63f65982d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53f02665eb63fb929c6593c1e33b82c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6089f1cc30620a274f76d1bf498f7cb.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21bd168df7c0ce6412d4b9909d9bffec.png)
您最近一年使用:0次
2019-05-10更新
|
481次组卷
|
2卷引用:【全国百强校】甘肃省天水市第一中学2019届高三下学期第五次模拟考试数学(文)试题
名校
8 . 已知函数
,其中
.
(Ⅰ)讨论
的单调性;
(Ⅱ)当
时,证明:
;
(Ⅲ)求证:对任意正整数n,都有
(其中e≈2.7183为自然对数的底数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa9f7cb75c5500ad56dfe0f178dedb92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(Ⅰ)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257810d08006d4b886331966c99767ea.png)
(Ⅲ)求证:对任意正整数n,都有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf0f4b1e329db4bf6070f993297f9b9.png)
您最近一年使用:0次
2019-01-12更新
|
4102次组卷
|
10卷引用:【全国百强校】河北省武邑中学2019届高三下学期第一次模拟考试数学(文)试题
【全国百强校】河北省武邑中学2019届高三下学期第一次模拟考试数学(文)试题黑龙江省大庆实验中学2019届高三普通高等学校招生全国统一考试文科数学模拟试题【区级联考】天津市蓟州等部分区2019届高三上学期期末联考数学(文)试题【区级联考】天津市部分区2019届高三(上)期末数学(文科)试题【全国百强校】四川省成都市成都外国语学校2018-2019学年高二下学期期中考试文科数学试题江西省五市八校2019-2020学年高三第二次联考文科数学试题湖北省武汉二中2019-2020学年高二下学期4月第二次线上测试数学试题四川省宜宾市第四中学校2019-2020学年高二下学期期中考试数学(理)试题四川省宜宾市第四中学校2019-2020学年高二下学期期中考试数学(文)试题广东省佛山市三水区三水中学2019-2020学年高二下学期第二次统考数学试题
名校
9 . 已知函数
.
(1)当
时,求证:
;
(2)当
时,若不等式
恒成立,求实数
的取值范围;
(3)若
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41f0a059d02f88033d4c46fbe648ba2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bc1807f5f5784e75c4e5e6df17f3ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e2d7a7b5ef6de479ac02b04965245d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a154aa77357cb73cbcd37275d873a324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e2d7a7b5ef6de479ac02b04965245d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d9c89d2cd1fb46b1e71ad10227c098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a375205425cf8092535bcc485646fdc3.png)
您最近一年使用:0次
2019-03-30更新
|
1687次组卷
|
8卷引用:【校级联考】河南省顶级名校2019届高三质量测评数学理试题
10 . 已知在图1所示的梯形
中,
,
于点
,且
.将梯形
沿
对折,使平面
平面
,如图2所示,连接
,取
的中点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/e10d6ad6-6f09-40f9-9c0f-bb3b83868ef8.png?resizew=366)
(1)求证:平面
平面
;
(2)在线段
上是否存在点
,使得直线
平面
?若存在,试确定点
的位置,并给予证明;若不存在,请说明理由;
(3)设
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9d54cbbf601f4583659771eb534997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66418ef39d3081d89411a4907d8599f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff24d05b5b9502c2be337f9be84fe4ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ceae9396dc0551b68ac65b5c4648278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9d54cbbf601f4583659771eb534997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306b9504b52df5ad6697fa87200e8a44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/e10d6ad6-6f09-40f9-9c0f-bb3b83868ef8.png?resizew=366)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37f39524e24db3f7c9e2f49f35b5e660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcf19a7f0dd0cdf59516ae585025110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e781a2489271bfd1597cba1bb6f5887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf910aabe023d18b62268579b6033b18.png)
您最近一年使用:0次
2019-03-06更新
|
535次组卷
|
2卷引用:河北省衡水市第十三中学2019届高三质检(四)文科数学试题