
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given $( \sqrt {x}+ \frac {2}{x^{2}})^{n}$, in its expansion, only the sixth term has the maximum binomial coefficient.  
(I) Find the number of rational terms in the expansion;  
(II) Find the term with the maximum coefficient in the expansion.

Present the answer in LaTex format: \boxed{Your answer}
user