名校
解题方法
1 . 如图,过双曲线
的左焦点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe875df72bb28ab48a2e745c9704671.png)
引圆
的切线,切点为
,延长
交双曲线右支于
点,
为线段
的中点,
为坐标原点,若
,则双曲线的离心率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/f4caf5e2-a2f5-4aea-8c2f-180f3595abe1.png?resizew=194)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c6cc0c27a4f58408cd990f25a485a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe875df72bb28ab48a2e745c9704671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49fee5d254654519afc8b802dfdb7a45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ffda0c209f06e21770aeab0abc8cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c2293f93791a597bf0162411f3395f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de575777cf2876a17b39f0b49873cf92.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/f4caf5e2-a2f5-4aea-8c2f-180f3595abe1.png?resizew=194)
A.![]() | B.3 | C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知双曲线
的左、右焦点分别为
,右顶点为E,过
的直线l交双曲线C的右支于A,B两点,与两条渐近线交于点P,Q(其中点A,点P在第一象限内),设M,N分别为
与
的内心,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b30352c43707c4e54b94ce5b61f2e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47444b5fbc4252516d54263062e47c81.png)
A.点M的横坐标为2 | B.当![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/18/8f3fdff1-7016-4c6e-bcc7-7b00664a3ba2.png?resizew=166)
(1)求
的解析式;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71f37af03e7ceeec2fa95ddec1c6b55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/18/8f3fdff1-7016-4c6e-bcc7-7b00664a3ba2.png?resizew=166)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040ac49fffdfb8284f463d11a85191be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f021a65c471011ee58a992ec8bf79f.png)
您最近一年使用:0次
名校
解题方法
4 . 已知椭圆
:
的离心率为
,椭圆的一个顶点与两个焦点构成的三角形的面积为
.
(1)求椭圆
的方程;
(2)已知直线
与椭圆
相交于
、
两点,且与
轴,
轴交于
、
两点.
(i)若
,求
的值;
(ii)若点
的坐标为
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6115cadcab3c97b6413ab8642828598e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(i)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5df68b7d1fd358239f30ab81fd6014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(ii)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f519d25dbe037f78950dbda6170fef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d871b0b46194d7300950e04f085533d2.png)
您最近一年使用:0次
2024-02-20更新
|
250次组卷
|
2卷引用:陕西省西安市第三中学2023-2024学年高二上学期期末数学试卷
名校
解题方法
5 . (1)证明差角的余弦公式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3effef09cfdcda367b53b782e5a62e5.png)
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3effef09cfdcda367b53b782e5a62e5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa30c57acfaec5dc4397040f4fd1552d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af11e5ea68f9bab650ee0fc6aa996165.png)
您最近一年使用:0次
名校
解题方法
6 . 如图,
和
所在平面垂直,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/139d500a-5617-4bf6-8057-14cc29ab293a.png?resizew=170)
(1)求证:
;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0005e1ef60f6ddc5f9a83e3de1ef3b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18773a2d9110b1a139d0cccc491e3068.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/139d500a-5617-4bf6-8057-14cc29ab293a.png?resizew=170)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1854ba6cc92481d7a616bd2788a47e.png)
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名校
7 . 已知抛物线
的准线与
轴相交于点
,过点
且斜率为
的直线
与抛物线交于
两点,
为抛物线的焦点,若
,则线段
的长度为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6bdac20e214b2cb3bd07f8d4778dcca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d592968948d3fba4f72a316d952b3e7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
名校
8 . 已知
是等差数列
的前
项和,且满足
,则
( )
![](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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da6c69ace952e0d9c4defd637be494b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
A.25 | B.35 | C.45 | D.55 |
您最近一年使用:0次
9 . 已知
、
为抛物线
上两点,以
为切点的抛物线的两条切线交于点
,设以
为切点的抛物线的切线斜率为
,
,过
的直线斜率为
,则以下结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8605ae9897d5d6f0679b4aa80e014bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b3e87e9bb00d9ba09cb5660aebd76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1dc007e36c78ab98df4cd2383b4c5d.png)
A.![]() ![]() ![]() |
B.若点![]() ![]() |
C.若点![]() ![]() ![]() |
D.若点![]() ![]() ![]() |
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10 . 已知函数
,
.
(1)讨论
的单调性.
(2)是否存在两个正整数
,
,使得当
时,
?若存在,求出所有满足条件的
,
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ad5bc5188a9fb2b43d1396b3bb5576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce2594833690eedb3328fe747feb3a3.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)是否存在两个正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210f152080d9a68a97c805f5c1cde96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92dbbb602aaa87eab44420c47a57d32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
您最近一年使用:0次
2024-02-17更新
|
1092次组卷
|
6卷引用:陕西省西安市鄠邑区2023-2024学年高三上学期期末考试(理科)数学试题