名校
解题方法
1 . 设双曲线
的左焦点为F,O为坐标原点,P为双曲线C右支上的一点,
,
在
上的投影向量的模为
,则双曲线C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/775c7ecd1713fe49c0b449bfc58d72c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b001cb332a64f2a72dd71a41862595ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e065fbbc5c8160545b51f50b2a9606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ca651e78a0a182d81c30488683d594.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
2024-06-11更新
|
306次组卷
|
2卷引用:贵州省2024届高三下学期4月新高考“大数据赋分”诊断性联合考试数学试题
2 . 在
中,内角A,B,C所对的边分别为a,b,c,
,若点D满足
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/819c7a62f0c3f64f53370d19db912c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b7ac8de5ba8df17bf872e7fd4a0ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a5f9b127fd565421033aec19ad32517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3954687a671d687f5e67209b29f9289.png)
A.![]() | B.2 | C.![]() | D.4 |
您最近一年使用:0次
3 . 已知直线
,直线
,
与
相交于点A,则点A的轨迹方程为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b1b5f4035eea8713b379e2d8dccd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68e261f470b13396badb3f358488a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
您最近一年使用:0次
4 . 在
中,
,
,
,
为
的中点,
的角平分线
交
于点
.
(1)求
的长;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af32ecdc0dc2f1a60b47f3311a0587d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551ec9816cb712966c896c40e9d765f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbf9680f74a9ac5d934304654ce2771.png)
您最近一年使用:0次
5 . 在矩形
中,
,
,M是
中点,且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2e40bea05120e16659dc1d68f8ba13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e6f0e94393fc6bbd9b4b83ede534ac.png)
A.32 | B.24 | C.16 | D.8 |
您最近一年使用:0次
名校
6 . 设向量
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
_____ ,
和
所成角为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66896c6d926d0bdc2d4f4e212d09681f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef84d275246c94cd7d9c983231210fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
您最近一年使用:0次
2024-04-19更新
|
484次组卷
|
5卷引用:云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试卷
云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试卷云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试卷山东省菏泽第一中学八一路校区2023-2024学年高三下学期三月份月考数学试题(已下线)信息必刷卷03(北京专用)(已下线)云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试题变式题11-15
名校
解题方法
7 . 已知向量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06346c7f8608fe52d5e1dd5c1f024b0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0f05e1f0c42b052c123cd36fd27fc71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
2024-04-16更新
|
1646次组卷
|
5卷引用:贵州省安顺市部分学校2024届高三下学期二模考试数学试题
解题方法
8 . 已知双曲线
的左、右焦点分别为
,
,过点
作直线
交双曲线的右支于点
,交
轴于点
,且满足
,
,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c9c99a7a223aa1c7ad74dab0608035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4efa339dbb8c7026b0959971349ae18.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
9 . 已知向量
与
的夹角为
,且
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f726edf8cca26e1011faa7101c506e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf342e77c56e55a35bb1151bc215a3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b28c8826f81d1c2917fc16cdda49c03.png)
A.![]() | B.![]() | C.4 | D.![]() |
您最近一年使用:0次
2024-03-23更新
|
2327次组卷
|
4卷引用:贵州省安顺市第二高级中学2023-2024学年高三下学期第一次模拟考试数学试题
名校
解题方法
10 . 设
为坐标原点,圆
与
轴切于点
,直线
交圆
于
两点,其中
在第二象限,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6044830bdecd1f3dfcc8d0851c8815.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9cd0060668c52dc0b541e9149908192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dafd0493191ba1a8f6dcbeaf4433210.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-22更新
|
1492次组卷
|
2卷引用:贵州省贵阳市清华中学2024届高三下学期5月高考临考预测数学试题