名校
解题方法
1 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9a48fc4771f90c6237232f538c6080.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-20更新
|
2494次组卷
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13卷引用:江苏省苏州市2022-2023学年高一下学期期末学业质量阳光指标调研数学试题
江苏省苏州市2022-2023学年高一下学期期末学业质量阳光指标调研数学试题福建师范大学附属中学2023-2024学年高一上学期期末考试数学试题(已下线)专题02 三角恒等变换(1)-期末考点大串讲(苏教版(2019))(已下线)专题05 三角恒等变换的8种常考题型归类-期末真题分类汇编(北师大版2019必修第二册)(已下线)8.2.1两角和与差的余弦-同步精品课堂(人教B版2019必修第三册)(已下线)8.2.1 两角和与差的余弦-【帮课堂】(人教B版2019必修第三册)山东省济宁市微山县第二中学2023-2024学年高一下学期第一次月考数学试题(已下线)模块一 专题4 三角恒等变换 讲 (苏教版)山东省青岛市即墨区第一中学2023-2024学年高一下学期第一次阶段检测数学试题广东省梅州市梅县区丙村中学2023-2024学年高一下学期3月月考数学试卷安徽省淮北市国泰中学2023-2024学年高一下学期第二次月考数学试题江西省宜春市宜丰中学2023-2024学年高一下学期4月期中考试数学试题四川省南充市白塔中学2023-2024学年高一下学期第一次月考(3月)数学试题
名校
解题方法
2 . 双曲线C:
(
)的左,右焦点分别为
,
,过
的直线l与双曲线的右支相交于A,B两点,
的内切圆圆心的横坐标为1,则双曲线C的离心率为 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e1cf2ae8e2ae1bbd27e0223eb4f0665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
A.![]() | B.![]() | C.2 | D.3 |
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2024-02-11更新
|
301次组卷
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2卷引用:江苏省镇江市扬中市第二高级中学2023-2024学年高二上学期期末模拟数学试题(二)
解题方法
3 . “勾股数”,也被称为毕达哥拉斯树,是根据勾股定理所画出来的一个可以无限重复的树形图形.如图所示,以边长为4的正方形
的一边为直角三角形的斜边向外作一个等腰直角三角形,再以等腰直角三角形的两直角边为正方形的边长向外作两个正方形,如此继续,若得到的“勾股树”上所存正方形的面积为96,则“勾股树”上所有正方形的个数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/26414b24-047f-48a3-98f9-c5fe7b7b5a72.png?resizew=161)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/26414b24-047f-48a3-98f9-c5fe7b7b5a72.png?resizew=161)
A.63 | B.64 | C.127 | D.128 |
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4 . 如图,在平面直角坐标系中,
为坐标原点,
的方程为
,射线
绕
点从
轴正半轴逆时针匀速旋转到
轴正半轴,所扫过的内部图形(图中阴影部分)面积
可表示为时间
的函数
,则下列图象中与
图象类似的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/64465b27-dbff-40a2-b76d-500bc06af3f7.png?resizew=140)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f225dfc398be10db4e2be4d9be121251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/580c2defeea6651a9ebc2b6823af1fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/580c2defeea6651a9ebc2b6823af1fd4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/64465b27-dbff-40a2-b76d-500bc06af3f7.png?resizew=140)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
5 . 已知椭圆
的右焦点为
,上、下顶点分别为
,
,
是
的中点,若
,则椭圆
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fee2afdacb11a6d025578bcaf576d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428687459110b6295b0d86fdc4d1c26c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知函数
的图象与函数
的图象关于直线
对称,令
,则关于函数
说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31bc56a4e21541521b76891a55673721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e1564cc03d69f51c4cb1f0e23a90531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
A.函数![]() | B.函数![]() ![]() |
C.函数![]() ![]() | D.函数![]() ![]() |
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2024-02-05更新
|
279次组卷
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2卷引用:江苏省南京市2023-2024学年高一上学期期末考前模拟数学试题
7 . 函数
取得最大值时
=_________ ,
在区间
上至少取得2次最大值,则正整数
的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14c81e7e3e5bec2b8d575983db905a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14c81e7e3e5bec2b8d575983db905a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424843950ee17f6f18b5c181c1f6ee34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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名校
解题方法
8 . 已知椭圆
的左、右焦点分别为
,离心率
为椭圆上一动点,
面积的最大值为2.
(1)求椭圆
的方程;
(2)若
分别是椭圆
长轴的左、右端点,动点
满足:
,连接
交椭圆于点
为坐标原点,证明:
为定值;
(3)若点
为圆
上的动点,点
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cb46d9cf81a0e3ba7921971881468c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/2/6fec10bb-b89d-44ed-adad-a32c6c1c0399.png?resizew=150)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fea226393bfaff7311ffd8870eddc55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de10f0277f23e757be5bf05d0e1b14bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7db9b4ac9106bfaf32eba6ae265872b.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd89a03660c85fb78bd7fe82ee3068c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab947514bd5152bfc039c25a47abf2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3977b898ab98ff2cebb0c5bdad26b869.png)
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9 . 已知数列
满足
,且对任意正整数m,n都有
.
(1)求数列
的通项公式;
(2)求数列
的前n项和
,若存在正整数k,使得
,求k的值;
(3)设
,
是数列
的前n项和,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598e934b63b96d7fddb52d21d3682870.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3149c2c5402c5a686047b798a20a3ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab5a616a68a635ae7499b5608870bfd.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472280dfeec0c5087942f47ceb5ead63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f43bb7c0b9b431c30823978bff49c9.png)
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10 . 已知函数
,曲线
关于直线
对称的曲线为
,若曲线
是某函数的图象,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3e69dfaeaa91d4f283a01b5174dd4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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