6
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The value of
\[\frac{n}{2} + \frac{18}{n}\]is smallest for which positive integer $n$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
6
The value of
\[\frac{n}{2} + \frac{18}{n}\]is smallest for which positive integer $n$?
train