1 . 化简下列各式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eea059262a504e602db5582de080f93.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab3dca2d957190916d56e4eafbfabd6.png)
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解题方法
2 . 已知单位向量
,
满足
.
(1)求
;
(2)求
在
上的投影向量(用
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc1f3ea84e7872bc64b7e197333cf55.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd044ecf8ad23def75509853943a0815.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40f074d9120deaa3db4f36a61bd54ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9978b53538a37f4d24ef58dbc4c9976a.png)
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3 . 已知
,
,记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266ad08c70080e52495117cb8307fd3d.png)
(1)求函数
的值域;
(2)求函数
,
的单调减区间;
(3)若
,
恰有2个零点
,求实数
的取值范围和
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35005965ce7f4b9703cba4062b6f3053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3328a5bbf1db60229da59fbee7675e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266ad08c70080e52495117cb8307fd3d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b0339e96e32d6fa1a092824850ef8d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43281072ba152ac733bbd50550ffe1a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86251951bb66bd5b40c2fac797f5c074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
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名校
解题方法
4 . 已知复数
,
,
.
(1)若复数
在复平面内的对应点落在第四象限,求实数
的取值范围;
(2)若复数
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f68c2c5556f04d1fdce13f37076effc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0055868371dd09b74ca4cd76750f9172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34b88f343ca5a4c29057465541b9cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ebc4b0d5565b30f8963cef1c8bd94a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
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7日内更新
|
250次组卷
|
2卷引用:上海市青浦高级中学2023-2024学年高一下学期期末考试数学试卷
解题方法
5 . 已知两条直线
:
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d571ab9ddc76271274cf82e1e6a8036c.png)
(1)若
,求实数a的值;
(2)若
,求
与
之间的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0627868a3e4abafb8703ab9975dc392f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d571ab9ddc76271274cf82e1e6a8036c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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解题方法
6 . 设数列
为等差数列,其公差为d,前n项和为
.
(1)已知
,
,求
及d;
(2)已知
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2faadf597326b9a27c01013a3b9b5a6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53572b203bf36a9461dc9a744367a4d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618715534c33e403ba189272a5fbf478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3931e6266decbab4ab76b280f61bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eed39c7d611309b01476c15ab242308.png)
您最近一年使用:0次
名校
7 . 在2024年世界泳联跳水世界杯蒙特利尔站和柏林站女子10米台跳水决赛中,全红婵奉献了高水准的精彩表现,在决赛中的五个动作惊艳了全世界.在这两场决赛中,7名裁判给选手的五个跳水动作打分,两站裁判对全红婵的打分记录如下:(为了方便计算,采取分数四舍五入取整)
A组(蒙特利尔站):80 80 82 78 93
B组(柏林站):81 80 86 99 86
(1)请写出这10个分数的众数、极差以及A,B两组各自的平均成绩;
(2)请你根据所学的统计知识,分析两站比赛中,哪一站全红婵发挥更稳定?并说明理由.
A组(蒙特利尔站):80 80 82 78 93
B组(柏林站):81 80 86 99 86
(1)请写出这10个分数的众数、极差以及A,B两组各自的平均成绩;
(2)请你根据所学的统计知识,分析两站比赛中,哪一站全红婵发挥更稳定?并说明理由.
您最近一年使用:0次
解题方法
8 . 已知全集
,集合
,
.
(1)求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70734cdd95e51cbb6f3895462877ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f7a02eb528dc1ee2b6064f63e093e91.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
您最近一年使用:0次
名校
9 . 在
中,角
所对的边分别为
,已知
.
(1)若
,求角
的大小;
(2)若
,求
边上的高.
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4849807ab80cfd4c70b8c2a8291a27bb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251c0cef7d83d4cc38157f44f1c1588c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
2024-05-08更新
|
1305次组卷
|
6卷引用:高一期末模拟数学试卷01 -期末考点大串讲(苏教版(2019))
(已下线)高一期末模拟数学试卷01 -期末考点大串讲(苏教版(2019))(已下线)专题05 解三角形大题常考题型归类-期期末考点大串讲(人教B版2019必修第四册)北京市顺义区杨镇第一中学2021-2022学年高一下学期期中考试数学试卷江苏省无锡市辅仁高级中学2023-2024学年高一下学期5月月考数学试卷四川省遂宁市射洪中学校2024届高三高考考前热身数学(文)试题四川省射洪中学校2024届高三高考考前热身理科数学试题
名校
解题方法
10 . 已知
和
是关于x的方程
的两实根,且
.
(1)求m的值;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f7450c5817a624a130815ef335e6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852ee43623810aa15a260de31f09674d.png)
(1)求m的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
您最近一年使用:0次