1 . 已知点
是双曲线
上一点,
在点
处的切线与
轴交于点
.
(1)求双曲线
的方程及点
的坐标;
(2)过
且斜率非负的直线与
的左、右支分别交于
.过
做
垂直于
轴交
于
(当
位于左顶点时认为
与
重合).
为圆
上任意一点,求四边形
的面积
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177ae4fa30cba0272d338973b8f7bdf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/221820d5f6209f9888cb0965bf99b1d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.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/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be452c8bdea6b4e4c7a6d96e9dc6a51c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946dd11e61102ea4ce0772603ae4edf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da460ebf2fef232e43904aab520cd01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
2 . 设
为平面上两点,定义
、已知点P为抛物线
上一动点,点
的最小值为2,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
_________ ;若斜率为
的直线l过点Q,点M是直线l上一动点,则
的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093c6d5bcaa69cea79b24688f5d1bd97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50061a63fdbd8394471c07f333d9fec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314837d3a10726c5f83528f791d20020.png)
您最近一年使用:0次
2024-06-04更新
|
871次组卷
|
4卷引用:山东省济南市2024届高三下学期5月适应性考试(三模)数学试题
(已下线)山东省济南市2024届高三下学期5月适应性考试(三模)数学试题山东省枣庄市2024届高三三调数学试题山东省青岛市2024届高三下学期第二次适应性检测数学试题湖北省武汉市汉铁高级中学2024届高考数学考前临门一脚试卷
3 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7737313c699e9902ee30ea1d4e1db53b.png)
A.曲线![]() ![]() ![]() |
B.方程![]() |
C.曲线![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
名校
解题方法
4 . 随机游走在空气中的烟雾扩散、股票市场的价格波动等动态随机现象中有重要应用.在平面直角坐标系中,粒子从原点出发,每秒向左、向右、向上或向下移动一个单位,且向四个方向移动的概率均为
例如在1秒末,粒子会等可能地出现在
四点处.
(1)设粒子在第2秒末移动到点
,记
的取值为随机变量
,求
的分布列和数学期望
;
(2)记第
秒末粒子回到原点的概率为
.
(i)已知
求
以及
;
(ii)令
,记
为数列
的前
项和,若对任意实数
,存在
,使得
,则称粒子是常返的.已知
证明:该粒子是常返的.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77a22740bd1ad5f5979e4579cb177d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df042a9ff8ec15bdd6b8cb8f8d219988.png)
(1)设粒子在第2秒末移动到点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf3baba074e8aeb6f3ea117865bbd1b.png)
(2)记第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ffb021aa7d5a5c2f0691e337caad624.png)
(i)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2393d1f6ec816a8501f6ff806f072904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19272b854a429ad5c2f2c90a7e535b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a027db42236354a609d4c9b480175a.png)
(ii)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2f96ec07da8f7737c4d5d4b5b89b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1505d56f0b35fe7f2de1fe1888036e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a642665685966e5e56c64998aedb7170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ee3eacbd7d191a667249a9b5af87f87.png)
您最近一年使用:0次
2024-04-24更新
|
1977次组卷
|
4卷引用:山东省济南市名校考试联盟2024届高三下学期4月高考模拟数学试题
山东省济南市名校考试联盟2024届高三下学期4月高考模拟数学试题(已下线)压轴题08计数原理、二项式定理、概率统计压轴题6题型汇总重庆市第一中学校2023-2024学年高二下学期5月月考数学试题(已下线)专题02 高二下期末真题精选(压轴题 )-高二期末考点大串讲(人教A版2019)
解题方法
5 . 在空间直角坐标系
中,任何一个平面的方程都能表示成
,其中
,
,且
为该平面的法向量.已知集合
,
,
.
(1)设集合
,记
中所有点构成的图形的面积为
,
中所有点构成的图形的面积为
,求
和
的值;
(2)记集合Q中所有点构成的几何体的体积为
,
中所有点构成的几何体的体积为
,求
和
的值:
(3)记集合T中所有点构成的几何体为W.
①求W的体积
的值;
②求W的相邻(有公共棱)两个面所成二面角的大小,并指出W的面数和棱数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0cbd6b024b3fdff2f5fb5602da1a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa77ecef36d1f376571db97023d4b81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee28816bd2b5c45de9b3c43ea11fe04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb2a0df4f914f1a8e347188098410c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866ee5fa7a027a6038c7fcc07bb39dcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eea6d8b11f53b7c276965d93a5877db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d7d30194744f824ee3eb7820c908a2.png)
(1)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e817c2296f0701d3da67888b9f6101ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ad4daf65e0e620cfb24f1334bb8fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6f9e1352b861710d932d9a9fcda889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
(2)记集合Q中所有点构成的几何体的体积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4764374bd2fb78e59cd0b283637baeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4afabfd5b4885311f8d9a4bcf791b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63055a5d6916f99d07fede49120753f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4764374bd2fb78e59cd0b283637baeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63055a5d6916f99d07fede49120753f.png)
(3)记集合T中所有点构成的几何体为W.
①求W的体积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3411c87c90bd10bbadd9201630bf45f4.png)
②求W的相邻(有公共棱)两个面所成二面角的大小,并指出W的面数和棱数.
您最近一年使用:0次
名校
解题方法
6 . 下列等式中正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-23更新
|
2089次组卷
|
2卷引用:山东省济南市2024届高三下学期3月模拟考试数学试题
7 . 已知
为抛物线
上的两点,
是边长为
的等边三角形,其中
为坐标原点.
(1)求
的方程.
(2)已知圆
的两条切线
,且
与
分别交于点
和
.
(i)证明:
为定值.
(ii)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dac63b3d222a4cff8691da2d0d4489d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52b717e5c29494c85955d5a80679ae71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df4b833fb7dd03c34ac40c664cd8483d.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd5ff3cfc044f329cd7ae0296683454.png)
您最近一年使用:0次
名校
8 . 假设直线
与曲线
相切,若切点唯一,则称直线
与曲线
单切;若切点有两个,则称直线
与曲线
双切;若
还与曲线
相交,则称直线
与曲线
交切.已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5f2dd9bb80771308194bd57500b530.png)
A.直线![]() ![]() |
B.直线![]() ![]() |
C.直线![]() ![]() |
D.存在唯一的直线,与曲线![]() |
您最近一年使用:0次
2024-02-27更新
|
562次组卷
|
4卷引用:山东省济南第一中学等校2024届高三下学期阶段性检测(开学考试)数学试题
名校
解题方法
9 . 已知甲植物生长了一天,长度为
,乙植物生长了一天,长度为
.从第二天起,甲每天的生长速度是前一天的
倍,乙每天的生长速度是前一天的
,则甲的长度第一次超过乙的长度的时期是( )(参考数据:取
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ec1e326713ddcd6dd66a24a809bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294e71b833e7a7a4711b829ff3164fc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279c21a22d6a7ac8faed319940fe69d5.png)
A.第6天 | B.第7天 | C.第8天 | D.第9天 |
您最近一年使用:0次
2024-02-27更新
|
895次组卷
|
8卷引用:山东省济南第一中学等校2024届高三下学期阶段性检测(开学考试)数学试题
山东省济南第一中学等校2024届高三下学期阶段性检测(开学考试)数学试题河北省保定市定州市第二中学2023-2024学年高二下学期开学考试数学试题陕西省部分学校2023-2024学年高二下学期开学摸底考试数学试卷湖南省岳阳市湘阴县知源高级中学等多校2023-2024学年高二下学期入学考试数学试题广西百所名校2023-2024学年高二下学期入学联合检测数学试题四川省成都市第四十九中学校2023-2024学年高二下学期3月月考数学试题河南省南阳市西峡县第一高级中学2023-2024学年高二下学期第一次月考数学试卷(已下线)专题06 等差数列与等比数列常考题型归类--高二期末考点大串讲(人教B版2019选择性必修第三册)
10 . 如图,
中,
,
,
是
中点,
是
边上靠近
的四等分点,将
沿着
翻折,使点
到点
处,得到四棱锥
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/7cadfba3-018c-4a89-a54c-8106c331224f.png?resizew=226)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37750daa8ba3b3fe3e9e2092f81c848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943ccc973348b6a636540efdb6d1638f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/7cadfba3-018c-4a89-a54c-8106c331224f.png?resizew=226)
A.记平面![]() ![]() ![]() ![]() ![]() |
B.记直线![]() ![]() ![]() ![]() ![]() ![]() |
C.存在某个点![]() ![]() ![]() |
D.四棱锥![]() ![]() |
您最近一年使用:0次