1 . 已知在锐角
中,角
的对边分别为
,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316b797fd45c7e03ca63a199146859db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6f4e9bb8b453665bfe9b8fa24711cb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-07-29更新
|
305次组卷
|
2卷引用:新疆喀什地区岳普湖县2022届高三第一次模拟考试数学(文)试题
2 . 函数
.
(Ⅰ)求
的值域;
(Ⅱ)若关于
的不等式
有解,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38cca0b576c360c80b900e64a595c21.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4823e3917929f102d99a8db8e2d569f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41721bfc7a6abc9b374dfaad365ad96d.png)
您最近一年使用:0次
2019-04-18更新
|
472次组卷
|
2卷引用:【区级联考】新疆维吾尔自治区2019年普通高考第二次适应性检测文科数学
3 . 设
,
,
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41fa518ce3462f3f121ebcc63c97f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55c9ffe305be3510bd11a9f3f31ba89.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 函数
的图象恒过定点A,若点A在直线
上,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73ecd5822a7d6232c4a756a36ce9414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b051ac0715a62726973ca9c15d17c1c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a056c6f051e0affc8721f14614e8f2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
2016-12-03更新
|
1025次组卷
|
5卷引用:【省级联考】新疆2019届高三年级第一次毕业诊断及模拟测试文科数学试题
解题方法
5 . 已知
都是正数,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558c083d34cbb0a58d3ce1dc6f5778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7be86c9dc21c369980ca9113f5de21.png)
A.![]() | B.2 | C.![]() | D.3 |
您最近一年使用:0次
2016-12-04更新
|
970次组卷
|
2卷引用:2016届新疆乌鲁木齐地区高三第二次诊断性测验理科数学试卷
6 . 已知
,
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4aeca6e3d109d7ed67cc4e2f4d8d3d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf9bb992b634d2ed82c1e65c090bfc27.png)
A.35 | B.105 | C.140 | D.210 |
您最近一年使用:0次
2017-04-28更新
|
647次组卷
|
2卷引用:2017届新疆乌鲁木齐市高三下学期第三次诊断性测验(三模)数学(理)试卷
2011·新疆·二模
解题方法
7 .
满足
,
,设
是
内的一点(不在边界上),定义
,其中
分别表示
的面积,若
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b1e8bf467d5fa7b4f030b18f26296c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4020513c097ba34df4b42e297f892cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8003d12d3388362a4bcbf425265f998e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d201ead127c65cc0bc153fdb445e420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/945759f8eab9b95dbc0199e0e25eb7e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f257b71e2b7886aadf7f1ebc809c10b1.png)
A.9 | B.8 | C.18 | D.16 |
您最近一年使用:0次