解题方法
1 . 数列
的前
项和为
,已知
,则下列说法正确的是( )
![](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/1e1348f2d99a58e7cb2b0d9feecad205.png)
A.数列![]() |
B.数列![]() |
C.当![]() ![]() |
D.当![]() ![]() |
您最近一年使用:0次
名校
2 . 已知数列
,
,3,
,
,…,则
是这个数列的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b12efb03327f461e868b2ea433f9b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbd3e8cf8325999cde03adf845d3dd0.png)
A.第8项 | B.第9项 | C.第10项 | D.第11项 |
您最近一年使用:0次
2024-02-13更新
|
454次组卷
|
2卷引用:广西百色市2023-2024学年高二上学期期末教学质量调研测试数学试卷
名校
解题方法
3 . 如图所示空间直角坐标系A﹣xyz中,
是正三棱柱
的底面
内一动点,
,直线PA和底面ABC所成的角为
,则P点的坐标满足( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/12/a5bf2d9d-771a-4b94-b774-551344d08eec.png?resizew=151)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ee1e5dd99c706d66bba49983060c3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35909b72f6e48a33ae9abb1d63ff91aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/12/a5bf2d9d-771a-4b94-b774-551344d08eec.png?resizew=151)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 已知
,
,且
,若
恒成立,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b7440b333d35831464ee12a9ee1ebcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35d36cff0916f502eae5702403d852c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
5 . 已知
,则下列结果正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e3600cf5bd1064a1cc03598b4ba70d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 已知角
是第二象限角,
.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9330f5a1902fe99fc5edd744fbe9146.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61763596a6fe9651c1eaba449ebe869e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
您最近一年使用:0次
2024-02-06更新
|
343次组卷
|
2卷引用:广西柳州市2023-2024学年高一上学期期末联考数学试卷
名校
7 . 若点
在抛物线
上,则该抛物线的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f6c19987f273b62f5bbe6554b9efe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b35f0b940c8422ef47edc3b7ce55e47.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
,
(1)求
的值
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7510e3e81eaae5ee85cb1ed7043b6ca.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0574ed44a4e15cc8c43895ea6010eb4d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa4b095b599b57f5ec4cdb8e768a423.png)
您最近一年使用:0次
9 . 已知函数
.
(1)求函数
的最小正周期和对称轴.
(2)求函数
在区间
上的最小值和最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b7fb1b25c05408267a42129e481955.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5c59b5959036b2ef846c1eacf4981c.png)
您最近一年使用:0次
名校
10 . (1)若不等式
的解集为
,求不等式
的解集.
(2)
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d352696b1a8291c26d58dd82bf70754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac55d420e554e9a8352c1523a3e0043e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a8b0f5522ce8d7f55f681f3a01de80.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7dad6c7a72a57c472da8acf556bf22.png)
您最近一年使用:0次