题目内容
函数f(x)=x+
(x>0)的最小值为
______.
| 2 |
| x+1 |
∵f(x)=x+
=x+1+
-1≥2
-1,
∴函数f(x)=x+
(x>0)的最小值为:2
-1.
故答案为:2
-1.
| 2 |
| x+1 |
=x+1+
| 2 |
| x+1 |
| 2 |
∴函数f(x)=x+
| 2 |
| x+1 |
| 2 |
故答案为:2
| 2 |
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