已知实数
,
满足
,则
的最小值为( )
![](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/a7b4891b1d2a83f60204290804cdbf36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1f9146233695da22a271263389b9b09.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
更新时间:2022-07-12 13:38:33
|
【知识点】 基本不等式求和的最小值解读
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单选题
|
较难
(0.4)
名校
【推荐1】设实数
,
满足条件
且
,则
的最小值为( )
![](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/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8792eaab0b6464e5d07436c64aa751a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57d31da0ac5a9cee68f6600805d245c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】已知角
的顶点都为坐标原点,始边都与
轴的非负半轴重合,且都为第一象限的角,
终边上分别有点
,
,且
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc288a0493ddb41c80d1025f0e45c62a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002f66f22c25da388793748a8106dc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b66c9db64497e6d930f6e2224c9d639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca35310a128febf44f147d4df340d57a.png)
A.1 | B.![]() | C.![]() | D.2 |
您最近一年使用:0次