1 . 已知
的内角
的对边分别为
为
的中点.
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048e752b1bffcb2c3c2d80efc511c92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4897c5582631dd669700047e178a1005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b85b4d210cb1f3c81da48534ff0d41f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() ![]() | B.![]() | C.![]() | D.1或4 |
您最近一年使用:0次
解题方法
2 . 已知椭圆
的左、右焦点分别为
,真线
与
轴的交点为
,过右焦点
作
于点
,且
的中点
在椭圆
上,则椭圆
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2526a6173b4e8cd52f935b846ee1371c.png)
![](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/8867126d777930dfd75c747634137942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f8c842b0c45a7b8c3a35ad65991bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f23c90c0a22eca6563cc93606602d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1eb15d354e4ef64e6f4297edc8acd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 奇函数
满足
,当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46805557ffbe917386a896927633bfd8.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/396ffd9d45c929e1a48f6c8ec1d782a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46805557ffbe917386a896927633bfd8.png)
您最近一年使用:0次
4 . 已知命题
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d834a23f6ae9cc093b7ad7d95b46a58c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知直线
与圆
相交于
两点,若
的面积为50,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3016baf1a9ce777f16ea9ce469b2510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd7eb80eeba1722646479452e65bf031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
解题方法
6 . 已知平面向量
.若向量
与
共线,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df001676b6da6f1636819274309b3fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06c8eae3652486cf9e416ce3a8ffc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd8bbf47b69bbd7a6263b041290d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
.
(1)若函数
在
上单调递增,求实数
的值;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8787d90a6ad512aee79e3de7486eb9de.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2fa47404af9de30af53b11f54c0527.png)
您最近一年使用:0次
2024-05-24更新
|
377次组卷
|
4卷引用:陕西省安康市高新中学、安康中学高新分校2024届高三下学期5月模拟预测数学(理)试题
陕西省安康市高新中学、安康中学高新分校2024届高三下学期5月模拟预测数学(理)试题陕西省西安市第一中学2024届高三下学期高考预测数学(文科)试题2024届河南省新高考联盟5月联考模拟预测数学试题(已下线)重难点突破06 证明不等式问题(十三大题型)-2
8 . 已知等比数列
的各项均为负数,记其前
项和为
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae8ee81591ef51f4be12f6871804edc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9bbe98100c8067ff36ac536d043a85.png)
A.-8 | B.-16 | C.-32 | D.-48 |
您最近一年使用:0次
解题方法
9 . 记
的内角
所对的边分别为
,已知__________.
在①
,②
,③
,这三个条件中任选一个填在上面的横线上,并解答问题.
(1)求角
;
(2)若
的面积为
,求
的最小值.
注:如果选择多个条件分别解答,则按第一个解答计分.
![](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)
在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c52ca9743dcde7046e63d17b54efab8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566dede8244cf772255d0a4302b9573f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13beee08c419ad5116b836111bec9fe6.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7440fd7264bbbf27e7282e9728279ebd.png)
注:如果选择多个条件分别解答,则按第一个解答计分.
您最近一年使用:0次
10 . 已知复数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ea6cc286d4d77507d0c872ad37274f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
A.3 | B.![]() | C.4 | D.5 |
您最近一年使用:0次