名校
1 . 若圆
与圆
有且仅有一条公切线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb55d5439f9748241192ef15c4cf20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80864305c9bdb342352f4b094639edb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2 . 在递增等比数列{
}中,
=9,
=18,则{an}的公比q=______________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5924e5b2e113b605f5ae8b322dc812aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcb9f58af7da4b0f3c88438a4cf3872.png)
您最近一年使用:0次
名校
解题方法
3 . 已知数列
的前
项和为
,若
,则数列
的通项公式为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
________ .
![](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/b123a91dd33fc0f0f03eb3e4b116bfba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次
2024-03-12更新
|
498次组卷
|
2卷引用:上海交通大学附属中学2023-2024学年高二下学期摸底数学试卷
4 . 过点
作圆
的切线,则切线方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d483dd3a65702ed0cd7df766300d03b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
您最近一年使用:0次
2024-03-12更新
|
422次组卷
|
2卷引用:江苏省南京市临江高级中学2023-2024学年高二下学期期初考试数学试卷
解题方法
5 .
和
都是等差数列,其前
项和分别为
和
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d73dab898bafa3adea84f50001b3d8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/470dd7601b7d7754de095c047620f10d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d73dab898bafa3adea84f50001b3d8.png)
您最近一年使用:0次
6 . 已知抛物线
的焦点为
,
是
上一点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd29b2e8192d673308bdf8d5cb6cab.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6988a98f2a07be492b6b7df1bccc7480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22962a2ad892cb6b14ab039a06e8cdc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0bab7f5ed5e6578879a7bbd02e60263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd29b2e8192d673308bdf8d5cb6cab.png)
您最近一年使用:0次
2024-03-10更新
|
464次组卷
|
5卷引用:广西壮族自治区桂林市2023-2024学年高二下学期入学联合检测卷数学试题
名校
解题方法
7 . 直线
:
,
:
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7277696e8d9f58c9ec28887783b317e8.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8f64ebec4a71a609204458cc54df82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0774abf198530a36dface5cfafc72042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea5c8fe935beac660eda538e59cd43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/584f6c1cea440d5d596e6c208d64b06f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a5d6aeeed1250e42abd1fb455c45ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7277696e8d9f58c9ec28887783b317e8.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
是双曲线
上任意一点,则
到
的两条渐近线的距离之积为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6030294837c740b4fe4bb00162137e38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
解题方法
9 . 数列
的前
项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
______ .
![](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/e87daa3d26b1846d367d0dd4904d0858.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次
2024-03-08更新
|
435次组卷
|
2卷引用:黑龙江省哈尔滨师范大学青冈实验中学校2023-2024学年高二下学期开学考试数学试题
10 . 若抛物线
上一点P到焦点的距离为1,则点P的横坐标是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2862bd0afd79c0b5019a8d0ce07a6bb3.png)
您最近一年使用:0次