名校
解题方法
1 . 已知正数x,y满足
,则
的最小值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738b13eefc6541cb02756739ba5035b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 已知函数
在
处的切线为l,第一象限内的点
在切线l上,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbafa3785508ab2d37aca05f2dbe7068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827539d066d1b78e7ef8bc1569864971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d389d1a373e4caca383f11362ec6c32c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-05-26更新
|
1141次组卷
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6卷引用:安徽省滁州市定远县第二中学2022届高三下学期高考模拟检测文科数学试题
安徽省滁州市定远县第二中学2022届高三下学期高考模拟检测文科数学试题河北省衡水市部分学校2022届高三下学期4月联考数学试题黑龙江省鹤岗市第一中学2021-2022学年高二下学期6月月考数学试题(已下线)4.1 切线方程(精讲)-【一隅三反】2023年高考数学一轮复习(提升版)(新高考地区专用)(已下线)专题3-1 切线、公切线及切线法应用-4(已下线)专题14 导数的概念与运算-2
名校
解题方法
3 . 在①
,②
,③
这三个条件中任选一个,补充在下面的问题中,并解答问题.
在
中,内角
、
、
的对边分别为
,
,
,且满足___________.
(1)求
;
(2)若
的面积为
,
为
的中点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3204297d1ddd0c7d0c794a2300b48434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a8d2c2f501f34e76e853c2047adfb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c931ff730a004d2b511ba2a6868d1eb.png)
在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3db519ba871ea28d70bcbb369e7851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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2022-05-25更新
|
916次组卷
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4卷引用:安徽省合肥市第一中学2022届高三下学期最后一卷理科数学试题
名校
解题方法
4 . 已知
,
,向量
,
,若
,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c230149649414efcd07514de2576172c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f226e127ed605672b31aa9a0c21850f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7cb5138a03b19266f82223899a614f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0113fd4c7d157757571f9a009e02af.png)
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5 . 已知函数
.
(1)解不等式
;
(2)记函数
的最小值为
,若
为正实数,且
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28f1467b6892df1d15ec306667f9711.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2608a57caffde627dbf140ca22a2ff8a.png)
(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dbfd18674c2e029582984d567784409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0146c75af51ec88de9f9f2a3fa117a.png)
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2022-05-25更新
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519次组卷
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2卷引用:安徽省合肥市第一中学2022届高三下学期最后一卷文科数学试题
名校
解题方法
6 . 在
中,角A,B,C的对边分别为a,b,c,已知,
,若角A的内角平分线AD的长为2,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83d8cf4420b51e29324ba8ab609582f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35e54ba90576bd937528aa3eff15a89.png)
A.10 | B.12 | C.16 | D.18 |
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2022-05-19更新
|
940次组卷
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4卷引用:安徽省十校联盟2022届高三下学期最后一卷理科数学试题
安徽省十校联盟2022届高三下学期最后一卷理科数学试题江苏省镇江中学2023届高三下学期3月大练2数学试题(已下线)江苏省苏锡常镇四市2023届高三下学期3月教学情况调研(一)数学试题变式题6-10(已下线)专题3-3解三角形压轴综合小题-3
7 . 设
为等比数列
的前n项和,已知
,
,若存在
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9624843a384c0c6d1b4a2f54f2e27c1.png)
成立,则m的最小值为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db85d98147dcfc4d1182319fa4652e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a937bfa81842d63375e8976f7aa889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9624843a384c0c6d1b4a2f54f2e27c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0bf07fd457a15741df19179e1061c3.png)
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2022-05-16更新
|
622次组卷
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4卷引用:安徽省马鞍山市2022届高三下学期高考前专家诊断卷(一)理科数学试题
名校
解题方法
8 . 已知向量
满足
,
,若向量
,且
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11dc0078202b01522728b4f1b6792c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe474757a01e195ea644b96b59a67df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca3c4f15cc2f51d35456c92e8438d23d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418820bf84034dd8cfe6d122a6ecd116.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85e6c6dcb0b7b8bf6f3b30293d08ead.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1925b8c1ba053d93fed635e3afc1dd74.png)
A.1 | B.2 | C.3 | D.4 |
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2022-05-16更新
|
537次组卷
|
3卷引用:安徽省马鞍山市2022届高三下学期高考前专家诊断卷(一)理科数学试题
安徽省马鞍山市2022届高三下学期高考前专家诊断卷(一)理科数学试题安徽省滁州市定远县第二中学2022届高三下学期高考模拟检测理科数学试题(已下线)拓展一:平面向量的拓展应用 (精讲)(2) - 【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)
名校
解题方法
9 . 已知
,
.
(1)若
,证明:
;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536178538dd8176b8743e3ceb94523a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7903a7dbb529273ecbb50aff2c549a3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3de6fcb38854c3d2dd97be5793c61952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a996eb6cd2fbe38cfb8a0c3b10900dd.png)
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解题方法
10 . 已知具有公共焦点
的椭圆
与双曲线
在第一象限的交点为P,若
,椭圆
与双曲线
的离心率分别记作
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab772d9b0abc928f6e72611c5a5449f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f994a876391534efe497dc115a53e3fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7092edd2cccbcb62ebb2e8a29a34a0aa.png)
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2022-05-08更新
|
534次组卷
|
3卷引用:安徽省淮南市2022届高三下学期二模文科数学试题