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解题方法
1 . 已知
,下列不等式恒成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636a8d9e362e768e825a98afdea2bd5b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知函数
与偶函数
在交点
处的切线相同,则函数
在
处的切线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bce412bce715f5e39b1a39a0ee8425a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a020607e7478fc091525240b0580b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
3 . 已知抛物线
的焦点为F,P是C上一点,线段PF的中点为
.
(1)求C的方程;
(2)若
,O为原点,点M,N在C上,且直线OM,ON的斜率之积为2024,求证:直线MN过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8543a9925dffcc9c0c0e13cff19732a2.png)
(1)求C的方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f83f589bf62f30ff300637d3cd71aef.png)
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4 . 已知双曲线
左右焦点分别为
,点
为右支上一动点,圆
与
的延长线、
的延长线和线段
都相切,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24164ee062fd8c86ad35d50bb37c0090.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f06cddf90c2b1256b42462a270fd1e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.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/da01a3abe1c9dc4e6283afa0dc1a0d39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83e02c09428538ce8ae136cff26d3f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24164ee062fd8c86ad35d50bb37c0090.png)
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解题方法
5 . 体育课的排球发球项目考试的规则是:每位学生最多可发球3次,一旦发球成功,则停止发球;否则一直发到3次为止.设学生一次发球成功的概率为
,发球次数为
,若
的数学期望
,则
的取值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c171d0021b15415b055c223935a2292.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/cd28a3a1be8f5c9a6dc1d6d0fe2eaf1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知等差数列
的公差为
,集合
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a033d03631fe159d5c89025365fca62c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d620c72ee3c16c8fa2c1b0e45882c3a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4753f4a4456d0df13843b71015bfa14.png)
A.-1 | B.![]() | C.0 | D.1 |
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解题方法
7 . 已知椭圆
的左、右焦点分别为
,
,离心率为
,过椭圆的左焦点
作不与x轴重合的直线MN与椭圆相交于M,N两点,
的周长为8,过点M作直线
的垂线ME,E为垂足.
(1)求椭圆C的标准方程;
(2)证明:直线EN经过定点P,并求定点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.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/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5585a42c8f07ad90b94ace9db3d78994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae65a3b431bc5e09408beb3466908d6a.png)
(1)求椭圆C的标准方程;
(2)证明:直线EN经过定点P,并求定点P的坐标.
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8 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e65ee75acc4bc049b78f7ad952eb454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f0ce85738a11ed16b77405f68859b0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8619b9f77e134a1be60345ccc49919c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7日内更新
|
222次组卷
|
2卷引用:陕西省西安市陕西师范大学附属中学2023-2024学年高二下学期期中考试数学试卷
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9 . 已知等比数列
的各项均为正数,公比
,且满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d9b6c86435e0ceff94d8ad1cd03737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c656ffb75363e18d211963695739c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
A.2 | B.4 | C.8 | D.16 |
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解题方法
10 . 设等比数列
的前
项和为
,已知
,
,则
( )
![](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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765e8e086f97e8d60c1489060fa06cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb7147e313f9d9f67d19ecb5f499c05.png)
A.9 | B.12 | C.27 | D.48 |
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