名校
1 . 已知函数
,其中e为自然对数的底数,下列选项正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99657b7b7f602075bb3bc46fe58ba90f.png)
A.若函数![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.若![]() ![]() |
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2 . 已知函数
,且
,求:
(1)
的值;
(2)曲线
在点
处的切线方程;
(3)函数
在区间
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4491abe20ea1e306605b09f17bcbb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d384e50e0ec20bf2c2a691854bc3a5c3.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
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2024-06-01更新
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3卷引用:重庆市第十一中学校教育集团2023-2024学年高二下学期期中考试数学试题
3 . 已知函数
.
(1)当
时,求
的极值;
(2)若
恒成立,求实数
的取值范围;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b48e39514c9e9909e94fc5745355cfa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58196b9e63ec00aa1119052b6de6ae12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6274961e116aff1637d4bc3ac4944ce5.png)
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2024-05-25更新
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5卷引用:重庆市第十八中学2023-2024学年高二下学期中期学习能力摸底考试数学试题
4 . 曲线
过点
的切线与直线
垂直,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c5838c01dec57f092bccc3f1eeaa8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c84e7b41a841a230ed5f8a42309aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb343cfed5f78a4a24f750415abef43e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知
满足:
,则代数式
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945dade6bba486831fd909efb350df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71c62953bb4b89902a3b88b34c03276.png)
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6 . 数列
满足
,
,
,
.
(1)证明:数列
为等差数列,并求数列
的通项公式;
(2)求正整数
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d667a1cbc19a151a5223ebd69d021d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd533a2645dbbdc0e52086ddcdc65da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545027eac895de229678d6644f5ee25a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eecfd552f63963ad88d97d335131e436.png)
(1)证明:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92894107bb3dab385c5cbb2cfb27a710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ff9dc01774072a70b084c35b01eb0c.png)
(2)求正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde46d2775e3ca1610036a71b30d3b85.png)
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2024-05-03更新
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4卷引用:重庆市第一中学校2023-2024学年高二下学期期中考试数学试题
重庆市第一中学校2023-2024学年高二下学期期中考试数学试题(已下线)第一章数列章末综合检测卷(新题型)-【帮课堂】2023-2024学年高二数学同步学与练(北师大版2019选择性必修第二册)江西省八所重点中学2024届高三下学期4月联考数学试卷江西省八所重点中学2024届高三下学期4月联考数学试卷
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解题方法
7 . 定义
为
个正数
的“均倒数”,若已知数列
的前
项的“均倒数”为
,又
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ed7720846d6a7b71965ee5e1e347513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d265ce22f599d3c8fd71724de8f28fa.png)
![](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/0549186c87ed4463421b8bcfae7c475e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac9f0acefd534c6c1f18b3a0b6983c46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027d2b0a3097cb4fd649e330dcba6a23.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-29更新
|
358次组卷
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3卷引用:重庆市第八中学2023-2024学年高二下学期期中考试数学试题
重庆市第八中学2023-2024学年高二下学期期中考试数学试题黑龙江省大庆市大庆中学2023-2024学年高二下学期5月期中考试数学试题(已下线)模块三 专题3 高考新题型专练(专题2:新定义专练)(北师大)(高二)
名校
8 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)求
在
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c929b5bfa8f0e2c47117cc83bd964d54.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
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2024-04-29更新
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929次组卷
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2卷引用:重庆市第八中学2023-2024学年高二下学期期中考试数学试题
名校
9 . 已知
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008db7c0d1841ada682f69dbf8cbf58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a404a43efe16ab7a407eb555d9f3e5.png)
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2卷引用:重庆市第八中学2023-2024学年高二下学期期中考试数学试题
名校
10 . 设函数
.
(1)当
时,求函数
在点
处的切线方程;
(2)当
时,设
,且
轴,求
两点间的最短距离;
(3)若
时,函数
的图象恒在
的图象上方,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ef4365413af15c45c7b018ddf69fb0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e732291816c0f81ee182a45e7388aeca.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e0d1ca30e3c973fa59b4f5f5109cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d928238e1f1677f5f20ed62da87eb04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a90aeba435af22d6bcdb7b91650b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5031e329aa639664c4671aaed4e07926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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