1 . 解下列不等式:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc37aa58e706bcb557dd362359ada9e.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63930c190a310c3eb6234dd734b485f7.png)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc37aa58e706bcb557dd362359ada9e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63930c190a310c3eb6234dd734b485f7.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6166a8560d85bef43df71ac136d1e6ec.png)
您最近一年使用:0次
2 . 求过点
且与直线
垂直的直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/035aa17e472d8532eb92bb943e8a29f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2959ea1e9aea6a3f6da18dfc7052be03.png)
您最近一年使用:0次
3 . 判断直线:
与圆
的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948113c2317b9ecb5bce2b0fdce70ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8994a0421a7eb331bf2ffccf0598e39e.png)
您最近一年使用:0次
解题方法
4 . 已知
是数列
的前n项和,
,
.
(1)求数列
的通项公式;
(2)若
,求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6db3056dc31e73babf9411f0b26188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b455039c53f56f2e4521cf826711b1d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
5 . 已知数列
,且
.
(1)求
的通项公式;
(2)设
,若
的前n项和为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440cbc45044687ad34f755f214f847f4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e63850d4635eb357146973ade907ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
解题方法
6 . 已知圆C经过
两点,圆心C在直线
上.
(1)求圆C的标准方程;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0711b476b98884b27f801ed7e4813a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b979396a703fb14715ba39232f5786a.png)
(1)求圆C的标准方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ebc856291255f2d4a6c20b982a2442.png)
您最近一年使用:0次
名校
解题方法
7 . 已知圆
.
(1)从圆外一点
向圆引切线,求切线方程;
(2)若圆
与圆C相交于
两点,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e6a95d85a6bfc628a8e63dd71ffcd7.png)
(1)从圆外一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4754fbe523ca63eba3810a3f88f37df3.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a3ef6da64080039ca5541c7d6b23d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
您最近一年使用:0次
2023-11-04更新
|
702次组卷
|
5卷引用:甘肃省临夏州积石山县三校2023-2024学年高二上学期期中联考数学试题
甘肃省临夏州积石山县三校2023-2024学年高二上学期期中联考数学试题广东省深圳市盐田高级中学2023-2024学年高二上学期期中考试数学试题山东省威海市威海大光华学校2023-2024学年高二上学期11月月考数学试题(已下线)广东省深圳市盐田高级中学2023-2024学年高二上学期期末数学试题福建省福州市第四中学2023-2024学年高二上学期第二学段模块检测数学试题
解题方法
8 . 已知直线
,试求
为何值时,
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0393afd81641533e5b1ae74db88d5eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e03566282ef39ad17821036f228174.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
您最近一年使用:0次
9 . 已知等差数列
中,
,且
成等比数列.
(1)求数列
的通项公式;
(2)
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6172ee983b88570fbf023bbbefdad45c.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27d949040e7584edef509f9b54153bd8.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)
您最近一年使用:0次
2023-11-03更新
|
3062次组卷
|
6卷引用:甘肃省酒泉市四校联考期中2023-2024学年高二上学期期中数学试题
名校
解题方法
10 . 已知等差数列
的前
项和为
.
(1)求数列
的通项公式;
(2)求
的最小值及取得最小值时
的值.
![](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/3004a6bb438c4ce4eb0592736d0f80fa.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2023-11-03更新
|
1438次组卷
|
7卷引用:甘肃省酒泉市四校联考期中2023-2024学年高二上学期期中数学试题
甘肃省酒泉市四校联考期中2023-2024学年高二上学期期中数学试题甘肃省定西市临洮中学2023-2024学年高二上学期期中数学试题黑龙江省齐齐哈尔市普高联谊校2024届高三上学期第三次月考数学试题新疆维吾尔自治区昌吉市第一中学2023-2024学年高二上学期12月月考数学试题山东省招远市第二中学2023-2024学年高二上学期期末模拟数学试题(已下线)4.2.2 等差数列的前n项和公式(8大题型)精练-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册) 安徽省芜湖中华艺术学校2023-2024学年高三下学期3月质量检测数学试题