名校
解题方法
1 . 在边长为1的正六边形
中,记以A为起点,其余顶点为终点的向量分别为
,
,
,
,
,以D为起点,其余顶点为终点的向量分别为
,
,
,
,
.记
,
为
的两个三元子集,则
的最大值为______ ;
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d344174267f996c7cefecfd6985d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e900404ba71110c5861ced9634646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99184832b21db4d92cb2b162679a4948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb1edfbda49a6ef314578efd3224928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c2df57a4cdae59f1b703eff14d32b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e53874673ab14f92e915f7d4a988623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f09bac35174ec1507e3839eb54f815.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad140abd985de3f688b0bc1fa240a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f93809be489619bb80adc4790dda4d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edbe3d8318bb799cbef82a9b829cc325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d544b8f6fdb0865c8cb0d4c8bcc46e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f37ab30f2e841f260e46be2714954d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9f3889ba128190cc756a237b3c1977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b966a03263abac15ba2db3477540fc46.png)
您最近一年使用:0次
2 . 对于向量集
,记向量
.如果存在向量
,使得
,那么称
是向量集
的“长向量”.
(1)设向量
,
.若
是向量集
的“长向量”,求实数x的取值范围;
(2)设向量
,
,则向量集
是否存在“长向量”?给出你的结论并说明理由;
(3)已知
均是向量集
的“长向量”,其中
,
.设在平面直角坐标系xOy中的点集
,其中
,
,且
与
关于点
对称,
与
关于点
对称
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93932ca99eac3f0663cde6482af92342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522e132d820f9f43d02d3bbfdf6cfbc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde5bf9b63fbb9634f67a370a209c42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0653377e152bab90be30606f5a7e447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f50ecfa147131019f969c3bc78169f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814dc1e4c6160bbe16dae1d961ecc5bc.png)
(1)设向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c252e4eca6fb761476858b1fd43ce0ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09881de0dc186bbcd1e60eb00159ee97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dbe2e19d8960789ec873b687998b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04557534811083fb3dcabd339d0b3b1c.png)
(2)设向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a220774f46b5026df2ff61e142850a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09881de0dc186bbcd1e60eb00159ee97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ceb9949fa420aed75fe606ce29fcb8.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0aca31150d49fff8a60dc4d5df88a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04557534811083fb3dcabd339d0b3b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda59f49576061a1fc069a6bc3df592b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90626abcbca513539be197b9872b2193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95903a582b54cb1b478276319805275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829179938940431b33a92fb95adc665e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098727eaeaec66f5190f20492060b177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc4dc226800792c55eaa32134041837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f306a75051c9a11c92aa30a836a016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b5ea93b62e9b06f0060ab0d09e6633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc4dc226800792c55eaa32134041837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432001ad997d27e91c27da58c19ea3e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1f68f8b7671e3b51536ef30d50d8c8.png)
您最近一年使用:0次
3 . 已知
.在
中,
设
,
定义:
.
设
或
.给出下列四个结论:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3216c7108baab2601471b965ecb5694a.png)
②
;
③若
,则
;
④
,都有
,则
最多有
个元素.
其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edec660383c08c26ff438d1b8c7a3177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c852b101e577e4b7d3af668489b0ea5.png)
设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888390fce47b31855712344fd536bce1.png)
定义:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21090f6a3148c6c09a6946c4611fcd7.png)
设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2143cab296d997c652c495982e90cb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ddbe12fb60130709d275f169dc99c22.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3216c7108baab2601471b965ecb5694a.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71daa66564dc886bd4c4f19d83396fd4.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616cdc04ccc5cae9cf8b941ebeb45ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0430ebe2730db038a644d8939a0d73.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9d43ee737b96bb2cd0cc241d6e1efb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2509cacc1596557ea46e0f94e84823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
其中所有正确结论的序号是
您最近一年使用:0次
名校
4 . 在
中,
是边AB上一定点,满足
,且对于边AB上任一点P,恒有
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae09825e6daf2f0d80a67ee1b4c4b4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1cdd39367b92b45d53b54390fa8d214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.等腰三角形 | B.钝角三角形 |
C.直角三角形 | D.锐角三角形 |
您最近一年使用:0次
2024-05-04更新
|
298次组卷
|
3卷引用:北京市第一零一中学2023-2024学年高一下学期期中考试数学试卷
名校
解题方法
5 . 在平面直角坐标系
中,
,
.集合
,下列结论正确的是______ .
①点
;
②若
,则
;
③若
,则
的最小值为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8950c7bc835103d52ceffab14b6b31a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6938eeb65411eeac15e140cf1db99773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e460725dacf5768aa8290aa52d9d24.png)
①点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db7f7eb57e496985bfa77847f58345f.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be2bc0b0fb98f94b86546fe2ab85de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae985f4f5ce87b3105e222f94c77899.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193029805ef60186dcc6338d847b01ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58aeae4debbb8d0c43d5f526ec7c0532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab8e57da1a24cba8a5feb1388b2fba6.png)
您最近一年使用:0次
名校
解题方法
6 . 将平面直角坐标系中的一列点
记为
.设
,其中
为与
轴方向相同的单位向量,若对任意的正整数
,都有
,则称
为
点列.
(1)判断
是否为
点列,并说明理由;
(2)若
为
点列,且
.任取其中连续三点
,证明
为钝角三角形;
(3)若
为
点列,对于正整数
,比较
与
的大小,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/464ce8acfb3e25e4e96b70b2a4da3ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/622a4c88b39fa3d66f44cdacb0b1788f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2980a18e4d0a2a795b7983a1a1866db7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e4525be9d715134956094f1f7c9b4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3dda9bc78ee05030be17ceccbcfab3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/642a443e3315a7fb6489b01fad7e3215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10cce5a900e897b3c9bd7fff78a90022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb323b330f9af1c3b30ad20d3fbc4c5.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a3d6f45e09539242033b717d891ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aaf329c01986874440a30a0fd7b1d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18eb9f4ba92ab0c1132bdeba722aae0.png)
您最近一年使用:0次
名校
解题方法
7 . 如图,
是三个边长为2的等边三角形,且有一条边在同一直线上,边
上有5个不同的点
,设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b4625fe7012840bca032330d1c77fc.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd19c69bbba3b1aa0900e6fb879b9c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c119e960234477c13624ba5ee735841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa1e4865f7729d5bc53dadf8669251e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fb795e8e1d5a4aea7895a4e7912417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b4625fe7012840bca032330d1c77fc.png)
您最近一年使用:0次
2024-04-15更新
|
416次组卷
|
4卷引用:北京市日坛中学2023-2024学年高一下学期4月月考数学试题
解题方法
8 . 如图,在棱长为1的正方体
中,点P是对角线
上的动点(点P与点A,
不重合).给出下列结论:
平面
;
②对任意点P,都有
;
③
面积的最小值为
;
④若
是平面
与平面
的夹角,
是平面
与平面
的夹角,则对任意点P,都有
.其中所有正确结论的序号是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339128336cb6905dc8537e58f55ad3f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15e58659e6ee4d93650e2edb6d6f7ff.png)
②对任意点P,都有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e49f40551cef68103af5d7d752c6878.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd5683dba7d9f29d643e9a3e3204fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a8b76e36783a69d14ec54af82c7df0.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f64fa38725c136504f723019a18dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6e96872af0f0b341835576c407e364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93fa313adc4ac7608ba9449fd755212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6e96872af0f0b341835576c407e364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00753ad7f0f49c325c387e5104f3f02.png)
您最近一年使用:0次
名校
解题方法
9 .
元向量(
)也叫
维向量,是平面向量的推广,设
为正整数,数集
中的
个元素构成的有序组
称为
上的
元向量,其中
为该向量的第
个分量.
元向量通常用希腊字母
等表示,如
上全体
元向量构成的集合记为
.对于
,记
,定义如下运算:加法法则
,模公式
,内积
,设
的夹角为
,则
.
(1)设
,解决下面问题:
①求
;
②设
与
的夹角为
,求
;
(2)对于一个
元向量
,若
,称
为
维信号向量.规定
,已知
个两两垂直的120维信号向量
满足它们的前
个分量都相同,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d617b088816e03a283123e29e4dbdca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086eb439f6a1578fdba904825340772d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efee470d0232b6b37f2fb2ab15aae0ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948eea3409b959c7248d68a1a081819d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b1e734f151a88ccb702148615db27d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5ab6e54fc0c6b846c8d860860c087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db1cd89b86c99ce96a9336eb3b09c9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be594c4e8c6693571d71fa7c1951796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a7cf91ca4cddeef99e8873ecc6fc37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05932f1afdfa963def3c811591eb62bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d69dab2a6743011b461f62448890316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c21920a0a39b1604e130601f061b056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eab8e66f785800a153d34421b2e5540.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a22804cdf4a90edff02dbb01b7481b.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23c7e4c34891b3435c39f4989470ccf.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac852f327effde190b9ebf3dd08e037c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85f7e488464e41e1a1e1eed427154aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
(2)对于一个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e363087dcbe11e11a9ec545570735c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a94fcc44ac04f54d5fcc1a6154b8b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac852f327effde190b9ebf3dd08e037c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2772cf7495c2c4c70086e7d936752d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b3c80a2adf39204ce112bda7115bf40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8af44e1a8c05007f2137fa2d1907db.png)
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5卷引用:北京市陈经纶中学2023-2024学年高一下学期期中练习数学试卷
名校
解题方法
10 . “费马点”是由十七世纪法国数学家费马提出并征解的一个问题.该问题是:“在一个三角形内求作一点,使其与此三角形的三个顶点的距离之和最小.”意大利数学家托里拆利给出了解答,当
的三个内角均小于
时,使得
的点
即为费马点;当
有一个内角大于或等于
时,最大内角的顶点为费马点.试用以上知识解决下面问题:已知
的内角
所对的边分别为
,
(1)若
,
①求
;
②若
,设点
为
的费马点,求
;
(2)若
,设点
为
的费马点,
,求实数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8036a881da6a4eef036529028a11d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2766e2c697dbefcef5f9fc0f43d7efed.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ac38c5cc951497a4a37778b191bcce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8f8a1e38db0e55b9b1934569b24e74.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa1240d911a4276d86ea2ac218084c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01862dfc85d45102a1343c36cb6dfe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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7卷引用:北京市顺义区第一中学2023-2024学年高一下学期期中考试数学试卷