1 . 在数列
中,
,若平面向量
与
平行,则
的通项公式为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54bf1311ae24a6af2543d6b399a6261d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e331fe6255ffbdb379a045dd9f867ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次
2 . 已知点
是椭圆
的左、右顶点,
为左焦点,点
是椭圆上异于
的任意一点,直线
与过点
且垂直于
轴的直线
交于点
,直线
于点
.
(1)求证:直线
与直线
的斜率之积为定值;
(2)若直线
过焦点
,
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f261904425331ffff68f003dbdb7cc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6d8190ce24defed822827b06ec2cb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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名校
解题方法
3 . 已知正四面体
的四个顶点都在球心为
的球面上,点
为棱
的中点,
,过点
作球
的截面,则截面面积的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2202d9071a4a53bb61b1237269e537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
2017-04-14更新
|
745次组卷
|
2卷引用:云南省2017届高三第二次复习统一检测文科数学试题
名校
解题方法
4 . 定义“函数
是
上的
级类周期函数” 如下: 函数
,对于给定的非零常数
,总存在非零常数
,使得定义域
内的任意实数
都有
恒成立,此时
为
的周期. 若
是
上的
级类周期函数,且
,当
时,
,且
是
上的单调递增函数,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e49beff053823c4a5caf6225ebff2a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17572ba39c0bad47f5279a626232d720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be895daebbdce508982977a77df16f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c032f402a4673407ebb0ead150bfd8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d01cb00904ee16178c7c35d7e0a8d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-04-11更新
|
493次组卷
|
3卷引用:云南省昆明市2017届高三下学期第二次统测数学(文)试题
名校
解题方法
5 . 在直角坐标系
中,已知定圆
,动圆
过点
且与圆
相切,记动圆圆心
的轨迹为曲线
.
(1)求曲线
的方程;
(2)设
是曲线
上两点,点
关于
轴的对称点为
(异于点
),若直线
分别交
轴于点
,证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2130628de6169e8ea127a765fc3c0913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff571c72c041d8668b4d2754679f64d.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaebaf8ceed245eba896f36d8ff14b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb7dae2f8cc918d44d9f41972d270d0.png)
您最近一年使用:0次
2017-04-11更新
|
1990次组卷
|
4卷引用:云南省昆明市2017届高三下学期第二次统测数学(文)试题
云南省昆明市2017届高三下学期第二次统测数学(文)试题河北省定州市定州中学2018届高三上学期第二次月考数学试题(已下线)解密16 圆与方程-备战2018年高考文科数学之高频考点解密(已下线)《高频考点解密》—解密18 圆与方程
6 . 已知函数
.
(1)求
的单调区间;
(2)设
(其中
为
的导函数),证明:
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86517386b2b81db59ebd5407c914e31f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a12f06ec1d96879ae05a3c1fdb61a848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc3e5be1796493161a4df7e28a6f6b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52374c54d7a88a8b679f2893513fecf0.png)
您最近一年使用:0次
名校
7 . 定义“函数
是
上的
级类周期函数” 如下: 函数
,对于给定的非零常数
,总存在非零常数
,使得定义域
内的任意实数
都有
恒成立,此时
为
的周期. 若
是
上的
级类周期函数,且
,当
时,
,且
是
上的单调递增函数,则实数
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257057052c9a1d8cece2044a56d84a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd3c11d4007733a755fd011cbe92d013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f7464e7559a63bba3915987982fa9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be895daebbdce508982977a77df16f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83d3841e3f36afbe5a57a5b020080b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db550ee6c9d5f7bf1cd5e0393f299c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f7464e7559a63bba3915987982fa9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-04-11更新
|
1601次组卷
|
6卷引用:云南省昆明市2017届高三下学期第二次统测数学(理)试题
云南省昆明市2017届高三下学期第二次统测数学(理)试题(已下线)专题05函数的周期性和对称性 - 解题模板A山西省2023届高三上学期9月质量检测数学试题甘肃省张掖市第一中学2022-2023学年高三上学期10月月考数学(理)试题甘肃省张掖市某重点校2022-2023学年高三上学期第一次月考数学(理)试题(已下线)专题07 函数的单调性及最值压轴题-【常考压轴题】
名校
解题方法
8 . 设非零向量
,规定:
(其中
),
是椭圆
的左、右焦点,点
分别是椭圆
的右顶点、上顶点,若
,椭圆
的长轴的长为
.
(1)求椭圆
的方程;
(2)过点
的直线
交椭圆
于点
,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f534e254c842da6c70cac4b91cb653c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd62275de92719b86757d617e979871d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f4ea15e50485e865bee1d2e5306136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b154d5a4d4eabc44f64f4c3926a035e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0173d1d9cd846122be99a451b6960076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2017-04-01更新
|
626次组卷
|
2卷引用:2017届云南省曲靖市第一中学高三上学期第五次月考数学(理)试卷
9 . 设定义在区间
上的函数
是奇函数,且
.若
表示不超过
的最大整数,
是函数
的零点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df62ff4694b67c405e07e58e98655a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f519e798a94d1e7ecd7587e9280ffccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76411dcccce0441747aaf1b7276fe41b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd7d9a8a4960f9e24859166389e31bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd2c52d3e2be8015a02c6b519bef6036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df62ff4694b67c405e07e58e98655a1.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 已知函数
.
(1)求函数
的解析式和单调区间;
(2)设
,若对任意
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd429bc80c24c798b9c76b88042251e.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73cd77bef6a7b432691f48b151e0fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697b8373121e5744df25ecb147dc72a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea9655f1d25bb28f5433759c1aa2786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次