名校
1 . 设直线
与圆
相交于A,
两点,若
,求圆
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c55484bdbb78c77959ce5e68ebeb57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33626bb0aea2ab1e685c3cc38612758e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb6573126516181bee81e64513ec1da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
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解题方法
2 . 在棱长为2的正方体
中,点
是
的中点,点
是
中点.
(1)证明:
平面
;
(2)求
到面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/22/996e5652-7318-48f3-bd48-81cac5a3e835.png?resizew=175)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da81a007b14af667599765c89d5b8530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a76f52ae3ef071a5084d09ec035c80c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a76f52ae3ef071a5084d09ec035c80c.png)
您最近一年使用:0次
2023-11-21更新
|
788次组卷
|
6卷引用:河南省安阳市第一中学2023-2024学年高二上学期第二次阶段考试数学试题
名校
3 . 已知点
,曲线
上任意一点
均满足
.
(1)求
的轨迹方程;
(2)过点
的直线
与
交于
两点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8b3f3c6e7712b32b861739dc84b004c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78a975831f2b093cd96937ce398a870.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29fda29f1b1b042a89c0213f18d341ad.png)
您最近一年使用:0次
2023-11-20更新
|
333次组卷
|
3卷引用:河南省安阳市第一中学2023-2024学年高二上学期第二次阶段考试数学试题
河南省安阳市第一中学2023-2024学年高二上学期第二次阶段考试数学试题山东省名校考试联盟2023-2024学年高二上学期期中数学试题(已下线)期末考试押题卷二(考试范围:苏教版2019选择性必修第一册)-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第一册)
解题方法
4 . 如图,在四棱锥
中,底面ABCD是菱形,
,
,
,
,
.
(1)证明:平面
平面ABCD;
(2)若平面PAC与平面PCD的夹角的余弦值为
,求直线PD与底面ABCD所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23f01af749100e1888bba06268843db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1f4f255d191786f7d330d278868c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/712f7375b4ede5f75c0d81870c0f86af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb96e0331eebe80ed1ff610faf531fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/16/0725a2ff-6fb5-4887-8550-3c54b73e8f74.png?resizew=156)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04c222223dae9ef27d4c132534d9848.png)
(2)若平面PAC与平面PCD的夹角的余弦值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dedfba8b9447a4db53baae62fdeebfd.png)
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解题方法
5 . 不负青山,力换“金山”,民宿旅游逐渐成为一种热潮,山野乡村的民宿深受广大旅游爱好者的喜爱.某地区结合当地资源,按照“山上生态做减法、山下产业做加法”的思路,科学有序发展环山文旅康养产业,温泉度假小镇、环山绿道、农家乐提档升级、特色民宿群等一批生态产业项目加快实施.2023年“五一”假期来临之前,为了在节假日接待好游客,该地旅游局对本地区各乡村的普通型民宿和品质型民宿进行了调研,随机抽取了10家乡村民宿,统计得到各家的房间数如下表:
(1)若旅游局随机从乙、丙2家各选2间民宿进行调研,求选出的4间均为普通型民宿的概率;
(2)从这10家中随机抽取4家民宿,记其中普通型民宿的房间不低于17间的有X家,求X的分布列和数学期望.
民宿 | 甲 | 乙 | 丙 | 丁 | 戊 | 己 | 庚 | 辛 | 壬 | 癸 |
普通型民宿 | 19 | 5 | 4 | 17 | 13 | 18 | 9 | 20 | 10 | 15 |
品质型民宿 | 6 | 1 | 2 | 10 | 11 | 10 | 9 | 12 | 8 | 5 |
(2)从这10家中随机抽取4家民宿,记其中普通型民宿的房间不低于17间的有X家,求X的分布列和数学期望.
您最近一年使用:0次
6 . 已知函数
,
,其中e为自然对数的底数.
(1)求曲线
在点
处的切线方程;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea10ba84fc88790fca43decb2cc9e69f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ff57811f34bf19a49bcb5c022cb612.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a020607e7478fc091525240b0580b37.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e312eca38032174f9739126b81d012.png)
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解题方法
7 . 已知正项等比数列
的前n项和为
,且
,
,等差数列
满足
,
.
(1)求数列
,
的通项公式;
(2)已知数列
满足
,求
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ab4706be6b3854b9c30ab609e5da68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb035007201ea975b7bd7a9f96c67c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd39a7322ad1dfcd65c7c896a9a1463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5895739ae05aaad7205c12b5bee82ef.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ddff2c524134962c79d23b8f9424cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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解题方法
8 . 在
中,角A,B,C的对边分别为a,b,c,且
.
(1)求角A的大小;
(2)若
,
的面积为
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b27f059fc1966065429986345258fa9.png)
(1)求角A的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/818e1f2f4498eb63b4ac1abaa67732d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解题方法
9 . 已知双曲线C的渐近线为
,右焦点为
,右顶点为A.
(1)求双曲线C的标准方程;
(2)若斜率为1的直线l与双曲线C交于M,N两点(与点A不重合),当
时,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c953cbb95dc2f9e91efac4a67e92144e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1d8736a2f5a41c1942f8684ab3a81d.png)
(1)求双曲线C的标准方程;
(2)若斜率为1的直线l与双曲线C交于M,N两点(与点A不重合),当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32476e6bf0fed9c3d3f23ebfd40aa693.png)
您最近一年使用:0次
2023-07-12更新
|
659次组卷
|
5卷引用:河南省安阳市滑县2022-2023学年高二下学期期末数学试题
河南省安阳市滑县2022-2023学年高二下学期期末数学试题(已下线)第05讲 拓展二:直线与双曲线的位置关系(3)江苏省连云港市灌南县第二中学2023-2024学年高三上学期阶段性测试一数学试题(已下线)考点14 直线与圆锥曲线相交问题 2024届高考数学考点总动员【练】(已下线)重难点突破10 圆锥曲线中的向量问题(五大题型)
名校
10 . 已知函数
.
(1)求
的单调区间:
(2)若
有两个零点
,求a的取值范围;
(3)当
时,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb52e4be56256cd59af5c850a4c752c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d38919c6e5901e23544c419a1f4dbf9.png)
您最近一年使用:0次
2023-03-03更新
|
601次组卷
|
3卷引用:河南省安阳市文峰区安阳市第一中学2022-2023学年高二下学期3月月考数学试题