1 . 已知函数
.
(1)求曲线
在
处的切线方程;
(2)设函数
,求
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae96aa184426a252422caef0bf4125e.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585de67a3fc494297d375d339af6d153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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2024-04-17更新
|
511次组卷
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3卷引用:新疆喀什地区2023-2024学年高三下学期4月适应性检测数学试题
解题方法
2 . 已知 则( )
A.a<b<c | B.a<c<b | C.c<b<a | D.c<a<b |
您最近一年使用:0次
解题方法
3 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd7066bf4396a2197a0e993cf558964.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2023-09-04更新
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432次组卷
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2卷引用:新疆维吾尔自治区2023届高三第三次适应性检测理科数学试题
4 . 已知
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af4efa5011a87d37cea36267174b07bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1359458c77b08d4a3acf2696dbd9ab61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c4a0cdcdd5f19c66e207e2ff560ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6855fcbdf5c8fe34ea1fc69e760ad0f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知正实数a,b满足
,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b25de23bba87b765ba8cc677524494.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ced271b0500f5da30ec9106bb7cb3ab.png)
您最近一年使用:0次
名校
解题方法
7 . 在
中,
,
,过点
作
,交线段
于点
(如图1),沿
将
折起,使
(如图2),点
,
分别为棱
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/29/c5569b5d-42e9-4390-ac4e-c5882ee4141e.png?resizew=326)
(1)求证:
;
(2)当三棱锥
的体积最大时,试在棱
上确定一点
,使得
,并求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27e47690ed332c573186992b6d25654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a20cb14fea4a7cad4b7775a3dd67df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/29/c5569b5d-42e9-4390-ac4e-c5882ee4141e.png?resizew=326)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73038c8fab9ef31d42b3ee0631b3dd1c.png)
(2)当三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5448218bd8c5b4f4a3714e0b0292d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f8bee68df4d2f8bdcd86cde8b91450.png)
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2023-04-28更新
|
373次组卷
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4卷引用:新疆维吾尔自治区乌鲁木齐市2023届高三三模数学(理)试题
新疆维吾尔自治区乌鲁木齐市2023届高三三模数学(理)试题(已下线)安徽省“江南十校”2023届高三下学期3月一模数学试题变式题17-22湖南省郴州市嘉禾县第六中学2022-2023学年高二下学期第二次月考数学试题甘肃省天水市第一中学2022-2023学年高二下学期第一学段考(5月)数学试题
8 . 函数
的图象大致是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c9dc77f9c7754dbab0977ae7b1ab48.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-04-25更新
|
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2卷引用:新疆喀什地区普通高考2023届高三适应性检测数学(文)试题
9 . 在非等腰
中,角A,B,C所对的边分别为a,b,c,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ab5d2a8984588ba725e0c101e78f1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
A.充分不必要条件 | B.必要不充分条件 | C.充要条件 | D.既不充分也不必要条件 |
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名校
解题方法
10 . 设函数
.
(1)当
时,若函数
在其定义域内单调递增.求b的取值范围;
(2)若
有两个零点
,
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a6999eea23ebccc533ed84fb3a97b4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](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/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3951a7bf1d9ca025aeef96c5c60411bd.png)
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2023-03-30更新
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3卷引用:新疆新和县实验中学2023届高三素养调研第一次模拟考试数学(文)试题