1 . 已知函数
.
(1)讨论函数
的单调性;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184a5ea8e818f3c09fdbff0a610b6118.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bec9aa46c5ab9f4be19cb6985bb4222.png)
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2 . 已知对任意平面向量
,把
绕其起点沿逆时针方向旋转
角得到向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb4713985fd15713e52c5001059345c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dceeeef52b8eca772c669980b8cda36.png)
叫做把点
绕点
沿逆时针方向旋转
角得到点
.已知平面点
,点
,把点
绕点
沿顺时针方向旋转
后得到点
,则点
的坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfd8ec5168694a721c9498a68e8640d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb4713985fd15713e52c5001059345c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dceeeef52b8eca772c669980b8cda36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4555374420f2770ea23b95ca9dc3b364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1e95fb519f59c46f40e4ab44660073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36c51be5f4b8ea60b1f8cf9f3c32dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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3 . 若函数
存在唯一极值点,则实数
的取值范围是_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d189461213ef47e1b6f9c98607025f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-04-19更新
|
689次组卷
|
4卷引用:广西壮族自治区河池市河池十校联体2023-2024学年高二下学期第一次联考(4月)数学试题
广西壮族自治区河池市河池十校联体2023-2024学年高二下学期第一次联考(4月)数学试题上海市金山中学2023-2024学年高二下学期5月月考数学试卷重庆市乌江新高考协作体2024届高考模拟监测(一)数学试题(已下线)第03讲 导数与函数的极值、最值(七大题型)(讲义)
名校
4 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fb276642953844841c0621aeca738df.png)
A.当![]() ![]() |
B.当![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2024-04-19更新
|
183次组卷
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2卷引用:广西壮族自治区河池市河池十校联体2023-2024学年高二下学期第一次联考(4月)数学试题
解题方法
5 . 已知函数
.
(1)解不等式
;
(2)讨论函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbd9e52b79fb84c320dc522e13d4f0b.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d6efe63d9798440a8335b3a1f6538a.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c778177da6f3d47b7d7a585bef24124b.png)
您最近一年使用:0次
2024-02-14更新
|
250次组卷
|
3卷引用:广西壮族自治区河池市河池十校联体2023-2024学年高一下学期第一次联考(4月)数学试题
6 . 已知双曲线
的左、右焦点分别为
,双曲线C的右顶点A在圆
上,且
.
(1)求双曲线C的标准方程;
(2)若过点
的直线l交双曲线C的右支于E,F两点,Q为x轴上一点,满足
;试问
是否为定值?若是,求出该定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd32b90b7f4918d1dcdb513a94e2f2e3.png)
(1)求双曲线C的标准方程;
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2e866eefdb38ad0b3a52ec90d0329b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9ef6c1350d532984159e7870a1b132.png)
您最近一年使用:0次
解题方法
7 . 已知函数
,若方程
恰有三个不同的实数根,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1598552c43dbc5fc6143a4aa4cc8b9f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7888a556bef934da78320c9b91e26b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
8 . 设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5745637865343b280ce7d2916c701438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3fc930a05b692f080af1165e62171af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf152e128fcd606f9a70b2be1b3dbba6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-22更新
|
553次组卷
|
4卷引用:广西壮族自治区广西贵港市、百色市、河池市2023-2024学年高三上学期11月质量调研联考数学试题
广西壮族自治区广西贵港市、百色市、河池市2023-2024学年高三上学期11月质量调研联考数学试题广西贵港市、百色市、河池市2024届高三上学期11月质量调研联考数学试题(已下线)第08讲 拓展四:构造函数法解决不等式问题-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第二册)(已下线)专题03 一网打尽指对幂等函数值比较大小问题 (9大核心考点)(讲义)
解题方法
9 . 如图,在棱长为2的正方体
中,点
在平面
内且
,延长
交平面
于点
,则以下结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae7f4612c548b1f72a964ddb291cd2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/849b7c1951eb016e65f615d1a782af10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/46841383-a72a-41ab-aa77-f7a3095680fd.png?resizew=164)
A.线段![]() ![]() |
B.点![]() ![]() |
C.直线![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
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解题方法
10 . 已知椭圆
的焦距为
,点
在
上.
(1)求椭圆
的方程;
(2)设椭圆
与直线
相交于不同的两点
、
,
为弦
的中点,
为椭圆
的下顶点,当
时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe44fc04812c2b7b1f423b32697b5a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d95ef0efc5cb6b39c53282dc907122d1.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/dad2a36927223bd70f426ba06aea4b45.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4bf0cd5d0f1cd6dee1eee88d34e0ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-06-28更新
|
432次组卷
|
4卷引用:广西壮族自治区河池八校同盟体2022-2023学年高二下学期5月月考数学试题
广西壮族自治区河池八校同盟体2022-2023学年高二下学期5月月考数学试题江西省清江中学2022-2023学年高二下学期6月期末数学试题广东省阳江市2022-2023学年高二下学期期末数学试题(已下线)第20讲 椭圆的简单几何性质10种常见考法归类(3)