名校
解题方法
1 . 如图,四棱锥
的底面
为平行四边形,
,
分别为棱
,
上的点,且
,
.
平面
;
(2)在棱
上是否存在点
,使得
平面
?若存在求出
的值;若不存在,说明理由.
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02c25b95e61557eec096de150ab873f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5557246ca5d25d82330631afda327feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8ccd4181f956f6e0140bf0ab8f0716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37793a3a810e823e10c340986f55ddd.png)
(2)在棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67825108ba67284ae24eb4780ba65531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae8768996ca9a0f2c5d9a19abbd54df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11e4e5f322180749104338acb15f9ed.png)
您最近一年使用:0次
2024-05-04更新
|
1605次组卷
|
3卷引用:江西省南昌市江西科技师范大学附属中学2023-2024学年高一下学期第二次月考数学试卷
名校
解题方法
2 . 已知四棱锥
中,底面
是梯形,
,
,
,
,
,
分别是
的中点.求证:
平面
;
(2)
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/ee8ef58be8708144272538ee427fb92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da35bb9885f79a36532f21139f9f99d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d783fe7f3ce673d5d21281174e7a7968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c383691e8d740830a865b12d66f7633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1457d2e76a5b86de1abf121c51eb9d35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f33fa5152ba27f7b8a28890cefca219.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2af0a097c6c0870b0db6a9bec14e4f.png)
您最近一年使用:0次
名校
解题方法
3 . 对于定义域在
上的函数
,定义
.设区间
,对于区间
上的任意给定的两个自变量的值
、
,当
时,总有
,则称
是
的“
函数”.
(1)判断函数
是否存在“
函数”,请说明理由;
(2)若非常值函数
是奇函数,求证:
存在“
函数”的充要条件是存在常数
,使得
;
(3)若函数
与函数
的定义域都为
,且均存在“
函数”,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d25597c0f369019a0901849bc12da1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb71b8c83c4f5a3146e3871b6308d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c61c8d37c767ba727cc7f5f7e00a7d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d6f99885e464b84f1dc2b897070cbdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)若非常值函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d314b6f3729e70a0d0c60414aec69c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c9418985f008bb9ab6482930f187dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/950c0c0b3b3c63fd0e7700e22c0f7bd9.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d17dcc171997459b17118083b339145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccbf6c35d8fc9e12a15cc7e0643ca35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-01-13更新
|
518次组卷
|
6卷引用:江西省上饶市婺源天佑中学2023-2024学年高一上学期期末模拟数学试题
江西省上饶市婺源天佑中学2023-2024学年高一上学期期末模拟数学试题上海市东华大学附属奉贤致远中学2023-2024学年高一上学期12月教学评估数学试题上海市奉贤区2022-2023学年高一上学期1月期末练习数学试题(已下线)高一上学期期末考试解答题压轴题50题专练-举一反三系列(已下线)单元高难问题03函数恒成立问题和存在性问题-【倍速学习法】(沪教版2020必修第一册)(已下线)专题14函数的基本性质-【倍速学习法】(沪教版2020必修第一册)
4 . 若
,则称
为
维空间向量集,
为零向量,对于
,任意
,定义:
①数乘运算:
;
②加法运算:
;
③数量积运算:
;
④向量的模:
,
对于
中一组向量
,若存在一组不同时为零的实数
使得
,则称这组向量线性相关,否则称为线性无关,
(1)对于
,判断下列各组向量是否线性相关:
①
;
②
;
(2)已知
线性无关,试判断
是否线性相关,并说明理由;
(3)证明:对于
中的任意两个元素
,均有
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d935457799f234e86a59e2f662d5ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00d8f90655e6341907aa9c7c62d4398.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554f144d15fc567b25935b38917430c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aff8d9b6533ff319420cdc5e8740b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e1156e087d0c92bf15ea7a53d021fcc.png)
①数乘运算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ee3d2d5f39d4050799537d5ad6bb375.png)
②加法运算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374036b2d97be3bb771c6d1bfd2ae6eb.png)
③数量积运算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3760d1b114cab294d2b8af405de49814.png)
④向量的模:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e7f7030526d65d5fff785d0d35a6ba.png)
对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00d8f90655e6341907aa9c7c62d4398.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab882b48940b6e1a185a513a0d8e8d97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3e3f607c7d170c8a9e614bfd2cb5f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946f81ae87f9c8cdc1017af6c1ec2fb2.png)
(1)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b56eb5f6747ea94d1075210265214211.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6432103414cd0efd40a0c0017eb11b.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf1bee58a691b31e06e088afed4c25c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76eb5fb9c09b830eecb5ba7efea4e09.png)
(3)证明:对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00d8f90655e6341907aa9c7c62d4398.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c21920a0a39b1604e130601f061b056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1120f6ff618146c9851df5dea05c1f55.png)
您最近一年使用:0次
名校
5 . 对于函数
,若
,则称
为
的“不动点”,若
,则称
为
的“稳定点”,函数
的“不动点”和“稳定点”的集合分别记为
和
,即
,
,那么,
(1)求函数
的“稳定点”;
(2)求证:
;
(3)若
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66a2b3d90f0d935d6c8ebaf675349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50eeb6825be5713c9d20584b74ebbd31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30bf91f31613ce80bba22a49862db03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84fb76793cf9f354f574ad9b881f98a0.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9852d7433cf82fb187fcb796eb6d98d6.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ae8559fedb62797027b7071648a7bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d02e5de0c92487382f4b98376e9740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
6 . 甲、乙两个篮球队在4次不同比赛中的得分情况如下:
(1)在4次比赛中,求甲队的平均得分;
(2)分别从甲、乙两队的4次比赛得分中各随机选取1次,求这2个比赛得分之差的绝对值为1的概率;
(3)甲,乙两队得分数据的方差分别记为
,
,试判断
与
的大小(结论不要求证明)
甲队 | 88 | 91 | 93 | 96 |
乙队 | 89 | 94 | 97 | 92 |
(2)分别从甲、乙两队的4次比赛得分中各随机选取1次,求这2个比赛得分之差的绝对值为1的概率;
(3)甲,乙两队得分数据的方差分别记为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a669412290af652fc6eb84909b9b2310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a639d13faa2e8ba41e49cd18fe5c7292.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a669412290af652fc6eb84909b9b2310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a639d13faa2e8ba41e49cd18fe5c7292.png)
您最近一年使用:0次
2024-01-29更新
|
231次组卷
|
2卷引用:江西省上饶市北大邦实验学校2023-2024学年高一上学期期末质量检测数学试题
2024高三·全国·专题练习
名校
解题方法
7 . 已知椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
的长轴长为4,一个焦点
与抛物线
的焦点重合.
(1)求椭圆
的方程;
(2)若不过
的直线
交
于
两点,使得
,求证:直线
恒过一定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347b68f42934c74e0d759a67613a1da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b89db9cb2586df5d4d829c116db979.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若不过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a30de57df4e6f60bffe9ac591b24fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2da8ff157c9f318c0a5292d2ab5648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2024-04-26更新
|
1002次组卷
|
4卷引用:江西省宜春市宜丰中学创新部2023-2024学年高一下学期6月月考数学试题
江西省宜春市宜丰中学创新部2023-2024学年高一下学期6月月考数学试题江西省宜春市宜丰中学2023-2024学年高二下学期6月月考数学试题(已下线)FHgkyldyjsx17(已下线)第23题 解析几何有“三定”,“移植思维”建奇功(优质好题一题多解)
名校
解题方法
8 . 若定义在D上的函数
满足:对任意
,存在常数
,都有
成立,则称
是D上的有界函数,其中
称为函数
的上界,最小的M称为函数
的上确界.
(1)求函数
的上确界;
(2)已知函数
,
,证明:2为函数
的一个上界;
(3)已知函数
,
,若3为
的上界,求实数
的取值范围.
参考数据:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea232de27d21a2646fd4520ea0726bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a920c2d27134a9c514f82bf464aed4ee.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066737c8b5ab483d0e853124de99429e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72bd2c5317e503a513881970a9badf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc03b242716eaa6ee3bef9061a63ce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9405361d7be3c9e4d462a4e955d8fe3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c0309456de2cd6420ece4fbc5eeddb.png)
您最近一年使用:0次
2024-04-30更新
|
220次组卷
|
5卷引用:江西省抚州市金溪县第一中学等校2023-2024学年高一下学期期中考试数学试卷
名校
解题方法
9 . 由倍角公式
,可知
可以表示为
的二次多项式.对于
,我们有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8604f1213464671ae14ff30411929efd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b752c5b70e8bef980994bfbb88df7cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ac6009b4b740312dc0af7045c62549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a08df228aef6b4c7088a9f9753e520.png)
可见
也可以表示成
的三次多项式.
(1)利用上述结论,求
的值;
(2)化简
;并利用此结果求
的值;
(3)已知方程
在
上有三个根,记为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91d0d02d04a3f1b777b0d86e2372e46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5ff5a2e7663e6a21ccea3149a10113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e039219978242ec380e66de6cf9bab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8604f1213464671ae14ff30411929efd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b752c5b70e8bef980994bfbb88df7cbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ac6009b4b740312dc0af7045c62549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a08df228aef6b4c7088a9f9753e520.png)
可见
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e039219978242ec380e66de6cf9bab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
(1)利用上述结论,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0ac5e4a6ef4f217b2ffb08aea29489.png)
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57e191a75514170400a9af7a1f28013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a88b4e0ab9e63411ab2e1ddb5dcdba6.png)
(3)已知方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b322f4b08de183d0897d4d81050d9e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc6fb329f26c7281c111e8997057cf4.png)
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2024-04-11更新
|
790次组卷
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4卷引用:江西省南昌市第五高级中学2023-2024学年高一下学期期中考试数学试卷
江西省南昌市第五高级中学2023-2024学年高一下学期期中考试数学试卷江苏省泰州中学2023-2024学年高一下学期期中考试数学试题(已下线)模块三专题2 新定义专练【高一下人教B版】(已下线)专题04 三角函数恒等变形综合大题归类 -期末考点大串讲(苏教版(2019))
名校
解题方法
10 . 已知非零向量
,
不共线.
(1)如果
,
,
,求证:
,
,
三点共线;
(2)欲使
和
共线,试确定实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a932fca4d0861a21e9fb2b798ed8d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94710ac591216841c4645a1e613e71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d75273f4fa9ce168ec5a35ad8b5b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)欲使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75d6886724cfe164028aa4d151aa98f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51dbf7fb9e71618bf5031f91c8d86b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2024-03-11更新
|
2466次组卷
|
36卷引用:江西省九江市德安县第一中学2022-2023学年高一下学期7月期末考试数学试题
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