名校
解题方法
1 . 已知等比数列
(其中
),前
项和记为
,满足:
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80835f5bd50fb2438a038c35d0f48d6f.png)
求数列
的通项公式;
求数列
,
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.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/bf05d5c8895a07522dacd555f15501dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80835f5bd50fb2438a038c35d0f48d6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a92946d9f5fcf58ec9f4cf4d5083de0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
名校
2 . 下列命题中:①若“
”是“
”的充要条件;
②若“
,
”,则实数
的取值范围是
;
③已知平面
、
、
,直线
、
,若
,
,
,
,则
;
④函数
的所有零点存在区间是
.
其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552d996f4748a1c0d22149f9ead89f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8073266cfa99b04190473d16b615a8.png)
②若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad0292b75ee08b9659465e4aa827ee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b81af6d826817141c98752376222d4b6.png)
③已知平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35a45cfcdfbda18b089ce6698ccdbcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a3e20505bc320fbf5d1a5f167b7dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d434f731612c825cbf00544d0da2a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dedfa42c16dd0aefa2928a6e41f3dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e380108ba2cf04e68a5a9393d2b921c.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c33ac3d71ac1b6945f7fc282547e5c25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969d88a8e03b37be66efa32b5d8e0802.png)
其中正确的个数是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-03-04更新
|
874次组卷
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4卷引用:宁夏石嘴山市第三中学2021届高三补习班上学期期中数学(理)试题
名校
解题方法
3 . 设函数
在区间
上的最大值和最小值分别为
、
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dca4442fb78e226e3403d770e4ecea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c8dc79d325623f2a94acfc6d5811fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dbfbb861d31c8cf9c3c093f0ff43b82.png)
A.![]() | B.13 | C.![]() | D.12 |
您最近一年使用:0次
2020-02-15更新
|
4670次组卷
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10卷引用:宁夏石嘴山市第三中学2019-2020学年高二下学期期中考试数学(文)试题
宁夏石嘴山市第三中学2019-2020学年高二下学期期中考试数学(文)试题重庆市第八中学2019-2020学年高一上学期期末模拟卷(三)数学试题江西省抚州市临川二中、临川二中实验学校2019-2020学年高一上学期期中数学试题(已下线)第04练 函数的基本性质-2021年高考数学(理)一轮复习小题必刷(已下线)对点练09 函数及其表示之值域-2020-2021年新高考高中数学一轮复习对点练(已下线)专题12+3.2.1函数的单调性与最值(重点练)-2020-2021学年高一数学十分钟同步课堂专练(人教A版2019必修第一册)河南省豫西名校2020-2021学年高一10月联考数学试题河南省洛阳市汝阳县2020-2021学年高一上学期联考数学试题浙江省宁波市北仑中学2020-2021学年高一上学期期中数学试题重庆市巴蜀科学城中学校2023-2024学年高一上学期11月月考数学试题
名校
解题方法
4 . 在平面直角坐标系
中,点
,直线
.设点
关于直线
的对称点为
,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011534de9a7d54ed74fe146d7f4430b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ace585d3cc2e113a0927cdf9e56756a.png)
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2020-03-25更新
|
1054次组卷
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6卷引用:宁夏石嘴山市第三中学2023-2024学年高二上学期9月月考数学试题
名校
5 . 已知函数
在
上的值域为
,函数
在
上的值域为
.若
是
的必要不充分条件,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ce260cc978095bc10d6ea2437c1ee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bbb1af40cb43a243938534580b84559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdffac17d32ecb007f0e3621d7131296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bbb1af40cb43a243938534580b84559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2019-06-12更新
|
809次组卷
|
3卷引用:宁夏石嘴山市第三中学2018-2019学年高二下学期期末考试数学(理)试题
名校
6 . 如图,在
中,角
的对边分别为
,向量
,
,且
,若点
是
外接圆
的劣弧
上的点,
,
,
,则四边形
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9178fc8b5d65aa75fa9196294a0db7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/516983449108347c9bbf5dd2a72ab3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d90d7f054e8f0346479e1999622f11cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2c67aa83438942ffac0880653ec0c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429c01b24eda401cff6a3cbe7f16448c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9614567c5a495942e6befc3587d595b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9178fc8b5d65aa75fa9196294a0db7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e2a96ad10f818c9a5ad7ef46a304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f976007b8d754ac3bf5793ed2fce37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2436591a889729b1a3bdcca1991a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/dff7f0de-c516-46c9-ae15-cba758c4f32e.png?resizew=128)
您最近一年使用:0次
2019-04-18更新
|
880次组卷
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3卷引用:【全国百强校】宁夏石嘴山市第三中学2019届高三下学期三模考试数学(文)试题
【全国百强校】宁夏石嘴山市第三中学2019届高三下学期三模考试数学(文)试题【校级联考】辽宁省沈阳市郊联体2019届高三第一次模拟考试(文)数学试题(已下线)专题15 平面向量基本定理及坐标表示-冲刺2020高考跳出题海之高三数学模拟试题精中选萃